The average amateur golfer can hit a ball with an initial upward velocity of 28.3 meters per second. The height can be modeled by the equation h=-4.9t^2+28.3t, where h is the height of the ball, in meters, after t seconds. At what heights is the ball hit?

When is the ball at its maximum height

what is the maximum height if the ball

how long did it take to hit the ground

WILL MARK THE BRAINLIEST

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.