It is c.
explanation:
20+130+h =180
when you solve you get h=50
130+g = 180
g= 50
50+60+f = 180
f=70
Both of them would be 3 by using the slope formula
PITI: principal, interest, taxes, and insurance
The best choice is
B.
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The black triangle is on the end of one of the rectangular faces, the end that meets up with the double line on the triangular base.
-3/10 + -17/10 = -20/10 = -2
Hope that helped!