Please help!A water balloon is shot up into the air so that its height h, in metres, after t seconds is h(t)= -4.91t+ 27t+ 2.4 How long will it take for balloon to reach a height of 32 meters ?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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

Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?