The height of a ball is modeled by f (x) = - 16x^2 + 128x, where x is the number of seconds after the ball is hit. How long is the ball in the air?

What is 3/8 divided by 3/4

Four balls of wool will make eight knitted caps. How many balls of wool will Malcolm need if he wants to make 6 caps?

7 dimes and 5 nickels is?

The cost of fertilizing a lawn is $0.25 per square foot. find the cost to fertilize the triangular lawn whose base is left parenthesis 8 plus startroot 19 endroot right parenthesis8+19 feet and altitude is startroot 76 endroot76 feet.

What is (-4.8y + 20.1) - (12.7y + 9.3) ?

The 3 in 3.62 stands for 3

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

The table below shows the relationship between the number of hours Nina worked and the number of hours Kathy worked.

Determine all of the roots (or zeros) 4x^3-4x^2-11x+6=0 if 2 is known to be one of the roots

In a small town there are two main sections called the Hill section and the Lake section. The town has a population of 4298. The number of people who live in the Hill section is 188 more than twice the number of people who live in the Lake section.