Answer:
483
Step-by-step explanation:
A=1/2(a+b)h
A = 96.6
V = A x h
V = 96.6 x 5
V=483
2x-54n
See explanation
1 = b (0,-2)
2 = b (0,1)
6 = a (3,0)
7 = a (-2,2)
45
76 - 31 = 45