Answer:
3
Step-by-step explanation:
557
575
755
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.
8 days
90/3 = 30 mi/day
240/30 = 8 days
9514 1404 393
C. 6
XY/AB = 30/5 = 6
Triangle ABC is scaled by a factor of 6 to make triangle XYZ.
37 I think