Solve the problem.In a certain fraction, the numerator is 4 less than the denominator. If 4 is added to both the numerator and the denominator, the resulting fraction is equal to 
. What was the original fraction (not necessarily written in lowest terms)?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the application 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 19 feet by 24 feet and the area of the rug is 300 square feet, how wide will the border be?
A. 3 ft B. 4.5 ft C. 2 ft D. 4 ft
Mathematics
Perform the indicated operations. Simplify the answer.
A. 
B. 11
C. 11i
D. i
Mathematics
Classify the angle as acute, obtuse, straight, or right.
A. Obtuse B. Acute C. Straight D. Right
Mathematics
Solve the problem.A one-story building is 180 ft by 490 ft. If a square patio with sides 25 ft occupies the center of the building, how much area remains for offices?
A. 1240 ft2 B. 1315 ft2 C. 87,575 ft2 D. 1340 ft2
Mathematics