Who and or what caused world war 1

Write the following comparison as a ratio and reduce to lowest terms. 21 quarters to 8 dollars

A production line produces 12 cd players every 4 hr. how many players can it produce in 37 hr?

What is 3x - 4 + 20 = 55

What integer is equivalent to93/2

Don't know how to do 3x+2y-2x+2=3x--2x+2y+2

If a car travels 150 miles at a constant speed in 5 hours, at what speed was it traveling?

In june Ms seymore's water bill was $48. in july, it was 15%lower. What was the sim's water bill in july?

Last year, Jess saw x dramas and y comedies at the movie theater. If she went to the theater no more than 8 times, which inequality best represents the number of movies she saw?

What is another term for "unit rate"? what does the unit rate tell us about a situation?

6*4+2 * 3/9 What does this equal