Answer:
I think it's A
Step-by-step explanation:
because none of the others appear to be correct
I'M soo not sure on this one. But if I did the math correctly your answer would be C. 64
Hoped I help!
Also sorry if its wrong.
The equation represents height as a function of time.
The bullet was in the air for 75 seconds.
The equation is given as:

The time spent in the air is the time it takes the bullet to land on the ground.
When the bullet is on the ground, the height is:

So, we have:


Factor out t

Split
or 
represents when the shot is fired.
So, we solve for t in 
Collect like terms

Divide both sides by 16

Hence, the bullet was in the air for 75 seconds
Read more about height and time at:
brainly.com/question/2261757
Answer:
Step-by-step explanation:
start with 0
round 1 : lose 3 1/2
round 2: wins 28 1/2
round 3 : lose 3 1/2
0 - 3 1/2 + 28 1/2 - 3 1/2 =
28 1/2 - 7 =
21 1/2 <==== thats 21 and 1/2 points
Here’s how I solved to find the area. Hope this is helpful