List which of the associative and commutative properties are being used in each step. (9x – 3)+(10-5x)=9x – 3+10 - 5x

9x - 3+10-5x = 9x-5x - 3+10

9x – 5x – 3+10=(9x -5x)+(-3+10)

= 4x+7

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.

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Write the standard form of an equation with (see picture below)