Find the product of

(a-5) (3a+2)

In a survey, a group of students were asked to name their favorite elective class. There were 15 students who chose "other." How many students participate Art:30% Physical Education:60% how many students participated?

A toy manufacturer wants to minimize her cost for producing two lines of toy airplanes. Because of the supply of materials, no more than 40 Flying Bats can be built each day, and no more than 60 Flying Falcons can be built each day.

A soup recipe uses 6 cups of water, 4 cups of tomato sauce, and 5 cups of tomato puree. how many cups of tomato sauce are there for every cup of water?

Amelia hikes 12 miles due east and then 5 miles due north what is the shortest distance in miles back

The logo for Chris's Calculator Company is 3 semicircles. The logo will be placed on the company building and will be 4 feet tall. What is the area of the logo?

What is the reciprocal for 2 2/5

Suppose 11% of students chose to study French their freshman year, and that meant that there were 22 such students. How many students chose not to take French their freshman year?

What is 0.624 an expanded form

Lynn has a watering can that holds 16 cups of water, and she fills it a quarter full. Then she waters her 11 plants so that each plant gets the same amount of water. How many cups of water will each plant get?

Which ratios are proportional to 40 : 15?