A cannon ball is shot into the air and its height, in meters, is represented by the functions h= 1.5 + 13.1t - 4.9t2 where t is the time in seconds after the cannon ball is shot. How long will it take for the ball to hit the ground? (Round to the nearest tenth)

Jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {