Two toy rockets are launched straight up into the air. the height, in feet, of each rocket at t seconds after launch is given by the polynomial equations shown. write an equation to find the difference in height of rocket a and rocket b. predict the difference in height after 5 seconds rocket a: d1=-16t2+122t rocket bd2=-16t2+84t

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.