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?

Determine whether - 9x-3y2=6 represents a function of x.

Wendy is concentrating a sample by distillation. She started with 140 mi of a solution that was about 0.07% inorganic salts. After several hours of distillation, the amount of inorganic salts hasn't changed, but the volume has decreased to 48 ml.

The minute hand on a clock made a 1-4 turn. How many degrees did the minute hand turn?

James practiced piano for 48 minutes. alias practiced for 5 times as long as james

What is 709,032 minus 249,136

How do you write 22,222,222 in word form

Which expressions are equivalent to the one below? check all that apply. log (10^3) a. 3 b. 3•log10 c. 1 d. 3•10

How to bisect an angle

Which expression is equivalent to 5+n

Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,175 per hour and a standard deviation of $245.