The height of a ball in feet is modeled by f(x)= -16x^2 + 80x, which is shown below, where x is the time in seconds after it is hit. How long is the ball in the air? Explain how you know.​

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat