Answer:
4, his answer was way off... idk if this is right but I tried
Step-by-step explanation:
s= √21d
42=√21d
42/21=√d
2=√d
4=d
Factor the Polynomial by solving x^2 + bx + c = 0.
m^2 - mv - 56v^2
Factor by grouping.
(m−8v)(m+7v).
x^2 + bx + c = 0
Slope = 1
RSM huh. I feel bad. I'm in this too.