Solve the problem.How many two-digit counting numbers are either multiples of 2 or multiples of 3?
A. 15 numbers
B. 60 numbers
C. 75 numbers
D. 61 numbers
Answer: B
Mathematics
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Solve the problem.Find the volume of the solid bounded by the elliptical cone 
+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab.)
A. 
? units3
B. 
? units3
C. 
? units3
D. 
units3
Mathematics
Factor the expression completely.A circular pool is surrounded by a concrete walk. The area of the concrete around the pool is 
A. ?(R - r)2 B. ?(R2 - r2) C. (?R + ?r)(R - r) D. ?(R + r)(R - r)
Mathematics
Graph the function.y = csc x
A. 
B. 
C. 
D. 
Mathematics
?Use the functions 
in C[-1, 1] to find 
for the inner product 
style="vertical-align:middle;" />.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics