Can someone help me this is due today

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.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

Which graph represents the linear function below? y-3=1/2(x+2)