Find the measure of angle 5. measure of angle 7 = 2x+15 measure of angle 8 = 3x

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?