Answer:
12
Step-by-step explanation:
Well the way i said it was
-
42-30= 12
altho i not very sure
Answer:
They are hard and you Just have to follow the steps of solbing them
Step-by-step explanation:
H^2 + 3.5 = 20^2
That is the formula
Well what two numbers multiply to get -8 and add to get -2?
Well, to get -8, we either have (-1,8),(-2,4),(-4,2),(-8,1)
8-1=7
-2+4=2
2-4=-2
1-8=-7
Thus it should be (-4,2),
This means we should get (X-4)(X+2)