Solve the problem.A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 12 feet by 22 feet and the area of the rug is 75 square feet, how wide will the border be?
A. 4.5 ft
B. 5.5 ft
C. 3.5 ft
D. 6 ft
Answer: C
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Solve the problem. If necessary, refer to the table below.?Monthly Payments to Repay Principal and Interest on a $1000 Mortgage Term of Mortgage (Years)
For the fixed-rate mortgage below, determine the net initial monthly cost (taking tax savings into consideration). Round your answer to the nearest dollar.
A. $915 B. $930 C. $959 D. $883
Solve the problem.A triangle has a base of length x + 2 and a height of x + 8 and has an area of 36 square units. Find the length of base and height. (A = 
BH)
A. base = 6 units; height = 12 units B. base = 8 units; height = 9 units C. base = 4 units; height = 9 units D. base = 6 units; height = 6 units
Use the properties of determinants to find the value of the second determinant, given the value of the first.Given 
= 3, find the value of 
.
A. -3 B. -24 C. 24 D. 3
Without graphing the function, determine its amplitude or period as requested.y = 
cos (- 
x)Find the amplitude.
A. 
B. 
C. 
D. 