Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the conic section.3x2 + 4y2 - 24x + 48y + 180 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A salesman earns a commission of 29%. One week he had sales of $2,090. Find his gross pay for the week.
A. $606.10 B. $60.61 C. $60,610.00 D. $6,061.00
Mathematics
Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a pyramid with a height of 1 in. and a square base of 7 in. on a side
A. 49 in.3 B. 16.3 in.3 C. 24.5 in.3 D. 3.5 in.3
Mathematics
Solve.If y varies inversely as the cube of x, and y = 9 when x = 7, find y when x = 21.
A. 1
B. 3
C. 27
D. 
Mathematics