The distance y (feet) that a coconut falls after t seconds is given by the function y=16t^2 . Use a graph to determine how many seconds it takes for the coconut to fall 64 feet.

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x