James rides the train from Center City to Lakeside. The train ride lasts for 18 minutes. The train arrives at the Lakeside station at
9:12 A. M. What time did the train ride start?

Can someone answer this question? : )

Evaluate cos2θ for cosθ = square root of 3/2

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?