Check the picture below.
thus is at 0 = -16t² + 96t +640,

well, clearly it can't be a negative value for the elapsed seconds, so it can't be -4.
Answer:
1+1=2
Step-by-step explanation:
X is the answer to any math problem, and 1x2=2
Answer:
11f+12
Step-by-step explanation:
Because the fs go together and so do the normal answers.
3.625 = 29/8 as a fraction. Is that what you're asking?
M is equal to 6 because 6 times 2 would equal 12