50=50-10a It is for 2 step equations

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?

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

Explain how you can show five less than a number using an algebraic expression