Solve the problem.A frustum of a right circular cone has a height of 10 m, a base of radius 3m, and a top of radius 2m. Find its volume.
A. 
?
B. 19?
C. 190?
D. 
?
Answer: D
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Write the Hindu-Arabic numeral in expanded form.710,002,002
A. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) B. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) C. (7 × 108) + (1 × 107) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 ) D. (7 × 108) + ( 0 × 106) + ( 0 × 105) + ( 0 × 104) + (2 × 103) + ( 0 × 102) + ( 0 × 101) + (2 × 1 )
Solve the problem.Amy's little brother Jimmy has eaten 40% of a chocolate cake. Amy, Brad, and Cecilia wish to equally divide the remainder of the cake. What percentage of the original cake would be considered a fair share to each?
A. 10%
B. 20%
C. 60%
D. 33
%
E. none of these
Solve the equation by factoring.2x2 - 10 = 0
A. {6}
B. {-
, 
}
C. {-5, 5}
D. {5}
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 