Answer:
Factors are (x-1), (x+1), and (x+2).
Step-by-step explanation:

Answer:
5/4
Step-by-step explanation:
You just need to multiply 1/2 by 2 to give you a common denominator:
3/4+2/4
From there you can add the numerators:
5/4
HTH :)
I just graphed this equation, and it shows that the projectile will hit the ground at 5.3 seconds. I could be wrong but I'm going with the calculator is right I hope. I hope this helps you!
#1 - 2/3
#2 - 1 1/3
#3 - 2/3
#4 - 1 1/2