Carol spent 1/9 of an hour playing on her phone. That used up 1/9 of her battery. How long would she have to play on her phone to use the entire battery?

Which expression is equivalent to 2x^2+7x+4?

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

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.