X + y = - 7

-x + 4y = 17

whats is x and y

Of the following numbers, which one is prime: 32, 42, 29, 15?

How do you write 17/20 as a percent

My question is that you have to estimate 31% of 62

Raise to the power: (-am) ^3

Is there any other euations that can apply to it

A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate of change during the 40-minute time of talk?

Jay simplified the expression 3 * (3+12:3) - 4. For his first step, he added 3+12 to get 15. What was Jay's error? Find the correct answer

The sum of two consecutive numbers is - 49 what are they

Yummy Cookies just opened a brand new cookie bakery, ans sales are increasing every month! In January, the baker made 14 carrot cake cookies. In February, the baker doubled the January order, took 5 cookies home to his family, and sold the rest.

What is the value of the expression 2 1/2 x + 3 2/3 y (if x = 4 and y = 2)