A football is punted into the air. Its height , in meters, after seconds is given by the equation . h(t)=-4.9t^2+24.5t+1 How high is the ball after 1 second?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

If my mom gets $13.05 an hour, and she works from 3: 30 to 10: 45 in the morning, how much money does my mom make?