A toy rocket is launched from a platform that is 48 feet high. The rocket’s height above the ground is
modeled by h = -16t^2 + 32t + 48.
a) Find the maximum height of the rocket.

b) Find the time it will take for the rocket to reach the ground.

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 shows the graph of the solution set of 3y – 2x > –18?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)