Using the order of operations, what should be done first to evaluate (-4)^2 + 6 divided by (- 3 + 4) (2)-5?
A)Subtract 5 from 2.
B)Divide 6 by –3.
C)Add –3 and 4.
D)Multiply 4 and 2.

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?

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .