Find 4 (6a-5) - (9a+1).

Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively. How long would it take to clear out the smoke in the room if all three fans are used?

What is. 363636 as a fraction

A school knows that 38% of its incoming students own a smart phone and a tablet. what percent of students who own a smartphone also own a tablet if 84% of students own a smart phone

What is the approximate range of the middle 50% of prices

The perimeter of a triangle is 76 cm. Side a of the triangle is twice as long as side b. Side c is 1 cm longer than side a. Find the length of each side.

What is 1700000 divided by, 10?

How do you solve c for a/b=c

In which situation would you opt for a car lease? A. You don't like to drive, and would prefer the services of a driver. B. You want to buy a car, and keep it for a long period of time. C.

Using a common denominator to write an equivalent fraction for each fraction what would 1/3, 1/5, common denominator be?

How Many square inches will fill a rectangle 6 inches by 2 inches?