5x + 20 = - 5x What does "x" equal?

Kate has 21 coins (nickels and dimes) in her purse. How many nickels and dimes does she have if she has $1.50?

1/8 (5y+64) = 1/4 (20+2y)

The average of a set of 6 numbers is 42. The average of another set of 8 numbers is 28. What is the average of the 14 numbers?

What does approximately mean in math

What does 12.5 to square root

a swimmer swims 4/5 of a mile in 1/2 hour. at this rate how many miles can the swimmer swim in an hour

What is the equation of a line that goes through (9,-1) and is perpendicular to line 2y-3x=8

24% of students in a class are girls. If there are less than 30 students in this class, how many students are there? How many girls are there?

a dog weights two ponds less than three times the weight of a cat. the dog also weights twenty two pounds than the cat. write and solve an equation to find the weights of the dog and the cat.

Product A is 8oz bottle of cough medication that sells for 1.36 Product B is a 16 oz bottle of cough medication that cost 3.20 which product has the lower unit