Aball is thrown into the air with an initial upward velocity of 45 ft/s its height is(h) in feet after t seconds is given by the function h = -16t^2 + 45t + 6 after about how many seconds will the ball hit the ground ?
a. 3
b. 5
c. 6

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Me d is also an option but i couldn't get it in the picture

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now