A football is punted into the air. It’s height h, in meters, after t seconds is given by the equation h=-4.9t^2+24.5t+1. Find the maximum height of the ball to one decimal place. PLEASE HELP MY TEACHER WONT TEACH ME(with explanation please)

If you answer 2+2 you will get over 80 points

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?