Which of these equations has solutions (5,7) and (8,13)

a. 3x-y=8

b. y=x+2

c. y-x=5

d. y=2x-3

A number cube is rolled 24 times and the results are recorded as follows: 2 ones, 10 twos, 6 threes, 3 fours, 1 five, and 2 sixes. What is the experimental probability of rolling an even number?

Karen deposited $25 in the bank on Monday, $50 on Wednesday and $15 on Friday. On Saturday, she took out $40. Karen's original balance was $100. What is her balance now?

A student is asked to calculate the Pythagorean Triples for the number 15 using the identity (x2 - y2) 2 + (2xy) 2 = (x2 + y2) 2. The student's steps are shown below.

Write - 1 3/16 as a decimal

Multple step percent problems

A jar contains 2 red, 1 white, and 3 blue marbles. Two marbles are drawn. If X equals the number of red marbles drawn, which of the following tables shows the correct data?

Janine has two choices for paying off her credit card balance. She can make payments of $186 per month for 36 months to the credit card company, or she can borrow the card balance from the bank and make payments of $162 per month to the bank for 36

A drug company claims that fewer than 1% of pills that it produces and ships fail to retain full potency after 60 days of production.

5 less than the quotient of a number 2

Simplify |-7.5| - |10.3|