Simplify: 3.7|4-13|+7^2 -61.86
a) -144.16
b) 16.16
c) 20.44
d) 86.44

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

How does reflecting or rotating a figure change the interior angles of the figure?

24m^2n+30mn^2+18mn, a sweet challenge!