Solve the equation.
= y
A. {2}
B. {6, -4}
C. {6}
D. ?
Answer: C
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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. 
Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: src="https://sciemce.com/media/4/ppg__rrrrr0616190822__f1q97g6.jpg" alt="" style="vertical-align: -4.0px;" /> 
set, 
set, 
set, 
$289.97; 
$519.97. Estimate to the nearest ten the total cost of one 
set and one 
set.
A. $420
B. $430
C. $450
D. $440
Solve.A barge takes 4 hours to move (at a constant rate) downstream for 40 miles, helped by a current of 3 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 80 hours B. 4 hours C. 10 hours D. 7 hours
Solve the equation algebraically. Verify your solution with a graphing utility.5(2x - 4) = 9(x + 4)
A. {-56} B. {56} C. {-16} D. {21}