Solve.How many ways can a president, vice-president, and secretary be chosen from a club with 9 members?
A. 84
B. 6
C. 27
D. 504
Answer: D
Mathematics
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If 
with A in QIV, find
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve.The following diagram shows a cone and its inscribed hemisphere, where the radius of the hemisphere is r and the height of the cone is h. 
Use the formulas to find the ratio of the volume of the hemisphere to the volume of the cone.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Use a sign chart to solve the inequality. Express answers in interval notation.x2 > 16
A. (-?, -4) ? (4, ?) B. (-4, 4 ) C. (-4, ?) D. (4, ?)
Mathematics
Simplify the radical expression. Assume that all variables represent positive real numbers.
? 
A. 7
B. -7
C. -343
D. 7
Mathematics