Math workshops and final exams: The college tutoring center staff are considering whether the center should increase the number of math workshops they offer to help students improve their performance in math classes. Faculty would like to know if requiring student attendance at these math workshops will improve overall passing rates for their students in their math classes. They plan to use the number of workshops attended to predict the final exam score and regression analysis to determine the effectiveness of the mandatory workshop attendance policy. Which is the response variable?1. Whether the student attended a workshop.
a. yes.
b. no.
2. Number of workshops attended.
3. Whether the student passes the course.
a. yes.
b. no.
4. Final exam score Correlation.


Answer 1


2. Number of workshops attended.

Step-by-step explanation:

The variable of interest for predicting the final exam score and doing regression analysis is workshop attendance.  Therefore, the response variable should be the number of workshops attended by each student.

This also agrees with what the college tutoring center staff are considering, which forms the research question: "should the center increase the number of math workshops they offer to help students improve their performance in math classes?"

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Which lst of ordered pairs represents solutions to x+y= 2? (4.6), (0, 2), (4, 2) (4,6), (0, 2). (4, 2) (4,-6), (0, 2), (4, 2) ​


answer: x+y=2


( 0 , 2 )



Step-by-step explanation:

0 + 2 = 2

Where x = 0, y = 2

Write code to complete doublepennies()'s base case. sample output for below program: number of pennies after 10 days: 1024 note: these activities may test code with different test values. this activity will perform three tests, with starting pennies = 1 and userdays = 10, then with starting pennies = 1 and userdays = 40, then with startingpennies = 1 and userdays = 1. see how to use zybooks. also note: if the submitted code has an infinite loop, the system will stop running the code after a few seconds, and report "program end never reached." the system doesn't print the test case that caused the reported message.


answer with coding and answer is attached in word file below

The doublePennies() function is an illustration of a recursive function in Java

How to complete the doublePennies() function?

The base case of the doublePennies() function is that:

When the number of days is 0, then the total available pennies is the same as the total number of pennies.

The algorithm of the above highlight is:

if numDays equals 0 then

    totalPennies = numPennies

Using the above algorithm, the complete base case is:

if(numDays == 0){

       totalPennies = numPennies;


Read more about Java programs at:

9x2-5x = 94x-8




Step-by-step explanation:

Which expression is the simplest form -(4x^3+x^2)+2(x^3-3x^2)


The simplest form of the given expression (4x^(3) +x^(2) )+2 (x^(3) -3x^(2) ) is,

6x^(3) - 5x^(2).

Here, given expression is,

(4x^(3) +x^(2) )+2 (x^(3) -3x^(2) )

What is simplest form of equation?

The simplest form is the smallest possible equivalent fraction of the number.


Simplest form of expression,

(4x^(3) +x^(2) )+2 (x^(3) -3x^(2) )\n4x^(3) +x^(2) +2 x^(3) -6x^(2) \n6x^(3) - 5x^(2)

Hence, The simplest form of the given expression (4x^(3) +x^(2) )+2 (x^(3) -3x^(2) ) is, 6x^(3) - 5x^(2).

Learn more about the simplest form of the expression visit:




Step-by-step explanation:






A family buys 8 tickets to a show. They also pay a $5parking fee. They spend $61 to see the show.
What is the solution to the story?




C. $7.00

Step-by-step explanation:

8 times 7 is 56 + 5 = 61

Jonah runs 3/5 mile on Sunday and 7/10 mile on Monday . He uses the model to find that he ran a total of 1 mile. What mistake does Jonah make? I NEED ANSWERS ASAP



see below

Step-by-step explanation:

3/5 + 7/10

We did not get a common denominator

He added the numerators and got 10/10 = 1

He should get a common denominator

3/5 * 2/2   + 7/10

6/10 + 7/10


10/10 + 3/10

1  3/10 miles


His mistake was adding the numerators together without converting the fractions to have a common denominator

Step-by-step explanation:

3/5 + 7/10

convert fractions to have common denominator

6/10 + 7/10 = 13/10

convert improper fraction to mixed number

1 3/10

He ran a total of 1.3 miles