7x + 2y + 5 - 5x + oy - 1
simplify expresson

How many grams are in 8 kilograms? if 100 grams = 1 kilogram

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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.