2. PLEASE HELP ME A ball is thrown into the air with an upward velocity of 36 ft/s. Its height h in feet after t seconds is given by the function h= -16t2 + 36t + 9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the ball’s maximum height?

A. 1.13 s; 69.75 ft

B. 2.25 s; 9 ft

C. 1.13 s; 31.5 ft

D. 1.13 s; 29.25 ft

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

If sin(x) = 0 and cos(x) = 1, what is tan(x)?