Simplify the expression by combining like terms. 21.5y + 6.1 - 11.6y - 16.8
A. 10.9x - 10.7
B. -0.8x
C. 9.9x + 10.7
D. 9.9x - 10.7
Answer: D
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A. 
B. 12
C. 
D. -12
Solve the problem.Write an iterated triple integral in the order 
for the volume of the rectangular solid in the first octant bounded by the planes 
, 
, and 
.
A. 
B. 
C. 
D. 
Simplify the radical.-
A. 2 B. -4 C. -2 D. 4
Find the maximum and minimum values of the function and the values of x and y for which they occur.P = 6x + 7y, subject to2x + 3y ? 12,2x + y ? 8,x ? 0,y ? 0.
A. Maximum: 32 when x = 3 and y = 2; minimum: 0 when x = 0 and y = 0 B. Maximum: 28 when x = 0 and y = 4; minimum: 0 when x = 0 and y = 0 C. Maximum: 28 when x = 0 and y = 4; minimum: 24 when x = 4 and y = 0 D. Maximum: 24 when x = 4 and y = 0; minimum: 0 when x = 0 and y = 0