Evalute each expression for s=4 and t=8
1) 3st^2/(st)+6
2) (t-5)^5

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?