Find the least common denominators of these two rational experssions -1/y and 2/5y

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

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?