Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 3. Round to the nearest tenth.
A. 30.2
B. 284.3
C. 23.7
D. 94.8
Answer: D
Mathematics
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Solve for the unknown whole number in the expression.x ÷ 4 = 5 R 2
A. 30 B. 20 C. 22 D. 18
Mathematics
Find the exact value of the sum or difference.
- 
A. 
B. 
C. 
D. 12?
Mathematics
Solve the problem.Let 
represent the number of students present in a large class, where x represents the number of hours of study required weekly. What is the rate of change of the number of students in the class with respect to the number of hours of study?
A. 163 B. 13 C. -163 D. -13
Mathematics
Determine whether the given vectors are orthogonal.< 8, -2 > and < -3, -5 >
A. No B. Yes
Mathematics