F(x) = 28 + 10x²; solve for f(1) and f(27)

Brent wants to know what is 5 x 1/2

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.

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd