1. find the sum. -5 + ( -1 ) + 6 + 4 a: 6 b: 4 c: 7 d: -4 2. add -10 + ( -5 ) + 15 a: 15 b: 0 c: 10 d: -10

Point e(−5, 3) and point d(−4, −3) are located on the grid. which measurement is closest to the distance between point e and point d in units? a) 6.1 units b) 6.3 units c) 6.5 units d) 6.7 units

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?

Is the power produced directly proportional to the wind speed, give reasons for your answer?