H(x) = -16x^2+64x+80 Part C: What is the maximum height, in feet, the balloon will reach? Show your work.
h(x) = -16x^2+64x+80

Which expression is equivalent to the expression shown?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.