Perform the indicated operation and simplify.
- 
A. 
B. 
C. 13
D. 
Answer: B
Mathematics
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Find an equation for the surface obtained by rotating the parabola y=2x² about the y-axis.
What will be an ideal response?
Mathematics
Find the solution or solutions, if any exist, to the system.
A. x = 4, y = 2, z = 5 B. x = 5, y = 2, z = 4 C. x = 4, y = 5, z = 2 D. inconsistent system, no solution
Mathematics
Use the addition property of equality to solve the equation.29 = f - 20
A. -49 B. -9 C. 9 D. 49
Mathematics
Let ?
, 
.
?
Perform the operation: 
.
What will be an ideal response?
Mathematics