Here is a solid-squar based pyramid
i need help on part A

Solve the system of equations. y= 2x y= x^2 - 15

Find the cosine function that is represented in the graph.

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25