Rewrite the expression with a positive rational exponent. Simplify, if possible.(93/4 ? 16-3/4)2
A. 
B. 91
C. 1728
D. 
Answer: D
Mathematics
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Perform the indicated conversion between American and metric units of length.19 kilometers to miles (Round to the nearest tenth.)
A. 20.1 B. 18.0 C. 30.6 D. 11.8
Mathematics
Determine whether the given value is a solution of the inequality.-11n - 10 ? -12n - 15; -4
A. A solution B. Not a solution
Mathematics
Factor by grouping.10x6 + 15x3 - 6x3 - 9
A. (5x3 - 3)(2x3 + 3) B. (10x3 + 3)(x3 - 3) C. (5x3 + 3)(2x3 - 3) D. (5x6 - 3)(2x + 3)
Mathematics
Solve.A bag of fertilizer covers 2500 square feet of lawn. Find how many bags of fertilizer should be purchased to cover a rectangular lawn 270 feet by 180 feet.
A. 19 bags B. 195 bags C. 20 bags D. 1944 bags
Mathematics