Timed quiz the height, h, in feet of a ball suspended from a spring as a function of time, t, in seconds can be modeled by the equation h=-2sin(pi(t+1/2))+5. which of the following equations can also model this situation?

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30