Hi, i need help with the 2 questions below. Thanks!

0 Question 1 v The height y (in feet) ofa ball thrown by a child is 12 6 3 ym+m+ where :1: is the horizontal distance in feet from the point at which the ball is thrown. (a) How high is the ball when it leaves the child's hand? :] feet (b) What is the maximum height of the ball? :] feet (c) How far from the child does the ball strike the ground? :] feet Add Work > Next Question Police use the formula: U = V20L to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks when suddenly braking on a dry, asphalt road. At the scene of an accident, a police officer measures a car's skid marks to be 167 feet long. Approximately how fast was the car traveling? Round your answer to the nearest tenth (one decimal place) of a unit. Answer: The car was traveling at approximately miles per hour. Add Work > Next