Given: x + y = 10.

If x = - 21, what is y?

A. 11

B. - 31

C. 31

The product of x and 7 plus one half of y

Sara bought a pair of pants that were on sale for 30 percent off of the original price. If the original price of the pants was $29, what was the sales price of the pants?

Ali made 3 different batches of cookies. She made 3 2/10 batches of vanilla cookies and 7 8/12 batches of chocolate cookies. In total, she made 14 1/6 batches of cookies. How many batches of lemon cookies did she make?

8 (3x - 6) i need to solve, but not for x

Jennifer pours 1/2 quart of milk equally into 4 glasses. How much milk, in quarts, does Jennifer pour into each glass?

A chef uses 3/3/4 pounds of semolina flour

13. Solve for s. 2 (s + 7) = 12

How to solve 4p (q-1) + q (1-p)

How to calculate the percentage difference between two numbers?

An angle ha turned through 270 one-degree angels. What is the measurement of this angle in degrees?