Bonita said that the product of 5/6 times 1 2/3 is 7/3 how can you tell her answer is wrong?

Sketch one cycle if the cosine function y=2cos2theta

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.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?