Answer:
.
A. 134. 83
Step-by-step explanation:
1) 5(4/3)^(8-1) / (4/3-1)
2) 5(9.98872-1) / (1/3)
3) 44.9436 / (1/3)
4) 134.83
x=7
12 - x = 5
12 - 7 = 5