Heather hits a tennis ball upward with an initial speed of 32 feet per second. after how many seconds does the ball hit the ground

use the formula h = rt − 16t2 where h represents height in feet and r represents the initial speed.
numerical answers expected!
answer for blank 1:

2 seconds

Step-by-step explanation:

Given : Heather hits a tennis ball upward with an initial speed of 32 feet per second.

To Find: After how many seconds does the ball hit the ground

Solution:

Formula :

Where h is the height

r is the initial speed

So, initial speed = r = 32 feet per second

Now we are supposed to find After how many seconds does the ball hit the ground i.e. h =0

Substitute h=0 in the formula

Thus after 2 seconds the ball will hit the ground.

answer: a and b

step-by-step explanation:

its 4 because 2 times 2 is 4, if you double the number two you get four