Solve the problem.What will it cost to buy ceiling molding to go around a rectangular room with length 19 ft and width 12 ft? The molding costs $2.72 per linear foot.
A. $103.36
B. $84.32
C. $168.64
D. $65.28
Answer: C
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Solve the equation for the specified variable.
+ 
= 
for c
A. c = a + b
B. c = 
C. c = ab(a + b)
D. c = 
Write the equation of a sine function that has the given characteristics.The graph of y = 
, shifted 6 units upward
A. y = 
- 6
B. y = 
C. y = 
D. y = 
+ 6
Solve.Isabelle went shopping for holiday presents for her family. She spent $138 on Monday, $324 on Tuesday, and $134 on Wednesday. What is the total amount of money that she spent on gifts?
A. $606 B. $596 C. $706 D. $496
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (86, -34, 9) B. (71, -34, 9) C. (88, -35, 9) D. Inconsistent