Which ordered pair is a solution to the system of inequalities? Y<3x, y<5

Solve the formula ax+ by = c for x.

Simplify. 3(4+4x) (type your answer in with no spaces)

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?