A bag contains 120 marbles. Some are red and the rest are black. There are 9 marbles for every black marble. How many red marbles are in the bag?

Which expression is NOT equivalent to the expression 11 - (3x + 2) ?

Use properties to find 5times 23 times 2

The label on the cars antifreeze container claims to protect the car between - 30C and 130C. To convert Celsius temperature to Fahrenheit, the formula is C=5/9 (F-32).

Vivian is going to do some yard work, but she needs to leave her house at 1:00 to go to a football game. She is going to mow the lawn for 1 hour and 10 minutes, trim some bushes for 30 minutes, and put down some mulch for 35 minutes.

If 5+5 = 10 What does 15+5 equal?

A high school athletic department bought 40 soccer uniforms at a cost of $3000. After soccer season they returned some of the uniforms but only received $40 per uniform.

A 1. Given f (x) = 2x + 1 and g (x) = 3x + 1, find: a) f (3) b) g (f (3)) c) g (3)

Ruby has a collection of 16 stuffed animals. She gives 1/4 of her collection to her younger brother. Then she gives half of the remaining animals to her baby sister. How many animals does Ruby give her sister

What is a decimal equivalent of the fraction 32/45

Simplify 63 7/8 - 55 3/4