Answer:
first one is 4a -1 y
2nd one is 4a -1y
volume: 1/3 a²h
= 1/3 ×2²x6
= 8 feet³
-0.49x+0.19x=6.6
-0.3x=6.6
x=-22
We know angle AOC is a right triangle,
therefor
90 - 73 = x
Angle X is 17.
