Please help me to solve these two equations step by step. They are quadratic equations 1).2x^2+9x+4=0 2).5x^2=-7x
A soccer player kicks a ball into the air at an angle of 36.0 Degrees above the horizontal. The initial velocity of the ball is +30.0 m/s. 1).How long is the soccer ball in the air 2).What is the horizontal distance traveled by the soccer ball? 3).What is the maximum height re...