Answer:
0 I think
Step-by-step explanation:
Plug it into a graphing calculator and see where the function crosses the x-axis. Since it’s a quadratic it will cross it two times but one of the answers is negative—obviously it wouldn’t take negative second to hit the ground. It should take 9 seconds for the object to hit the ground.
Ah, I think you may have forgotten to include something in your question, but any letters are likely the variables of which they speak.
Answer:
It will be A
Step-by-step explanation:
M=140-100/5-3
m=40/2
m=20