Write a matrix equation equivalent to the system of equations.-2x + 8y + 3z = 0 2x + 2y - 2z = -12 2x + 6y + 6z = 44
A. 
=
B. 
=
C.
| ? |
= 
D.
= 
Answer: C
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Solve the problem.The length of a rectangular storage room is 5 feet longer than its width. If the area of the room is 66 square feet, find its dimensions.
A. w = 5 ft, l = 10 ft B. w = 6 ft, l = 11 ft C. w = 7 ft, l = 12 ft D. w = 5 ft, l = 12 ft
Find the amount paid by each of the multiple carriers.The Robins Furniture Company had an insured fire loss of $139,000. It had insurance coverage as follows: Company A, $475,000; Company B, $325,000; and Company C, $175,000. Find the amount paid by each carrier assuming that the coinsurance requirement had been met.
A. $71,282.05, $44,551.28, $23,166.67 B. $64,153.85, $42,769.23, $32,076.92 C. $62,371.79, $44,551.28, $32,076.92 D. $67,717.95, $46,333.33, $24,948.72
Solve.
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
D. no solution
Determine the specific solutions (if any) to the equation on the interval [0, 2?).cos 2? = 
A. no solution
B. 
, 
, 
, 
C. 0, 
, ?, 
D. 
, 
, 
, 