Arectangle has a width of 5 cm and a length of x cm which equation could be used to find he length of the rectangle if the perimeter is exactly 26 cm

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip