The answer = 3x^4+13x^3+20x^2+24x
Answer:
Step-by-step explanation:
It is a right triangle as it has a right angle (you can draw a little square to show that).
It's side are already recorded, so I tried my best, though I'm not sure it's correct.
Hope that helps!
I’m doing this too hopefully someone answers quick cause I’m confused also.
Answer:
53=-3+14d
56=14d
d=4 that is the common difference