Solve the problem.A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 
by 
and the area of the rug is 154 square feet, how wide will the border be?
A. 1.5 ft
B. 3.5 ft
C. 2.5 ft
D. 4 ft
Answer: A
Mathematics
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Solve the problem.The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?
A. 1001 ways B. 931 ways C. 986 ways D. 1071 ways
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y2 + x2, C: the perimeter of the circle x2 + y2 = 25
A. 250? B. 10? C. 125? D. 50?
Mathematics
Use the figure to find the following.
? 
A. ?
B. 
C. None of these
D. ?ABD
Mathematics
For the given functions f and g, find the requested function.f(x) = 5x - 4; g(x) = 2x - 7
Find (f - g)(x).
A. (f - g)(x) = -3x - 3 B. (f - g)(x) = 3x - 11 C. (f - g)(x) = 7x - 11 D. (f - g)(x) = 3x + 3
Mathematics