Answer:
x=82
y=18
Step-by-step explanation:
x+y=100
8+x=5y
The given Angles (4x + 2) and (3x + 3) are forming linear pair, so
now, let's find Angle DCB :
251.33 = 251
V= πr²h = π·2²·20 ≈ 251.32741 = 251.33
the answer is 2x²-6x-36
<em>Hello, I think the answer is -0.84 Hope That Helps!</em>