Megan bought 3 pounds of apples that cost x dollars per pound. She gave the cashier a 20 dollar bill. Which equation could Megan use to find the amount of change, y, she should receive.

The first five terms of a linear sequence are given below. 7 , 12 , 17, 22 , 27 , what is the next term of the sequence?

What is the perimeter of an equilateral triangle if each side is (x+3)?

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?