Solve.The sum of two numbers is 5. Three times the first number equals 4 times the second number. Find the two numbers.
A. 20 and 15
B. 5 and 12
C. - 
and - 
D. 
and 
Answer: D
Mathematics
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Integrate the function.
A. 
+ C
B. - 
+ C
C. 
+ C
D. - 
+ C
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(2m2z4)(4m2z2)
A. 8m4z6 B. 8mz4 C. 8mz6 D. 8m4z
Mathematics
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 2 ? x ? 2, about the x-axis (dimensions are in feet). How many cubic feet of fuel will the tank hold to the nearest cubic foot?
A. 3 B. 8 C. 7 D. 2
Mathematics
Multiply. Write the answer in lowest terms.- 
? 7
A. 
B. - 
C. 
D. - 
Mathematics