The height after t seconds of an object projected upward with an initial velocity of 48 feet per second from a 210-foot tower is modeled by the functionh\left(t\right)=-16t^2+48t+ 210h(t)=−16t 2 +48t+210. When will the object be 50 feet high?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Find the axis of symmerty for x y=x squared -4x-8

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.