Gary has a collection of comic books. After selling 70% of his comic books, he has 42 comic books left. How many comic books did he start with?

A car is traveling at a speed of 30 miles per hour. What is the cars speed in miles per minute? How many miles will the car travel in 20 minutes?

You draw two marbles without replacement from a bad containing three green marbles and four black marbles. what are the possible outcomes

The Cortez family spends 40% of its income rent. Which of the following are equivalent to 40%

A letter of the alphabet used to represent numbers is called

Between 9 AM and 10 AM one hundred airplanes depart from Newark Airport. Ten of the airplanes were delayed by an hour each. Of the remaining airplanes, half left on time and half were delayed by an average of 20 minutes.

What is the 7 described as in 2 x 5 + 7 (3 + 13) ?

Write an expression that is equivalent to 4 (x+2y)

For an employee training, the employee to instructor ratio is 18 to 2. If there are 20 instructors for the training, how many employees participated in the training?

Marisa drank one cup of milk and ate x small vanilla cookies for a snack. The linear equation below represents y, the total number of calories in Marisa's snack. y = 12x + 120 a. what is the y-intercept represented by this equation? b.

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did Savannah have this year