Over which of the given intervals does ggg have a positive average rate of change?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

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?