Derek purchased a new boat for $14,500.00. the purchase price included a 6% sales tax. the actual cost of the boat before tax was (round to the nearest dollar.)

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

Anyone know these questions? i need ,.