The answer for the first picture is 648π or 2034.72
I got the answer using the formula πr squared times the height
so π9squared x 8
B because tangent is Opposite/hypotenuse. = 6/8 = 0.75
Answer: 
Step-by-step explanation:
To solve for h, we want to get h alone. We need to use our algebraic properties.
[multiply both sides by 2]
[divide both sides by (a+b)]

Now that we have h alone, we know that
.
Stephen is likely to qualify since his annual income is less than the median income of Texas.