What is the image of e for a dilation with center (0, 0) and a scale factor of 6

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?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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