In ACDE, the measure of ZE=90°, the measure of ZC=81°, and DE = 51 feet. Find the length of CD to the nearest tenth of a foot.
D
X
51
81°
E
с

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?

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Which of the following expressions is equal to 2x^2+8