Help please answer all parts

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 statement is true about the discontinuities of the function f(x) = x-5/ 3x^2-17x-28

Two different points r and y are dilated from s with a scale factor 3/4, andry equal 15. use the dilation theorm to describe two facts that are known about ry