Answer:
c
Step-by-step explanation:
The volume of a sphere is given by the equation , where V is the volume and r is the radius.
To answer this question, simply plug the correct values into the equation:
The volume of the air in the balloon is about 113.0976 in3.
Hope this helps!!
Answer D
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Answer:
D
Step-by-step explanation:
We know that if angles x and y are complementary, then sin(x)=cos(y).
This means the measures of the angles have to add to 90 degrees, which is satisfied by the fourth option.