Simplify the fraction. If the fraction is already simplified, so state.
A. 
B. 
C. simplified
D. 
Answer: D
Mathematics
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Solve the problem.The length of a rectangular frame is 3 cm more than the width. The area inside the frame is 54 square cm. Find the width of the frame.
A. 12 cm B. 9 cm C. 7 cm D. 6 cm
Mathematics
Simplify.(57 - 10) × [(80 + 20 ÷ 5) - (8 ? 8 - 5 ? 5)]
A. 2215 B. 2079 C. 2115 D. 2172
Mathematics
Simplify.x10 ÷ x5
A. 
B. x10 - x5
C. x5
D. x15
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics