Simplify. Assume that all variables represent positive real numbers.
A. 4
B. -4a2b
C. 4ab
D. 4ab
Answer: B
Mathematics
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Find a polynomial that represents the total number of square feet for the floor plan shown in the figure, a = 16ft and b = 21ft.
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?
A. 
B. ?
C. ?
D. ?
E. ?
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Find a polar equation for the circle.x2 + (y - 9)2 = 81
A. r = 18 cos ? B. r = -18 sin ? C. r cos ? = -18 D. r = 18 sin ?
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Solve the inequality graphically. Give the solution in interval notation.Use the intersection method to solve 13x - 4 ? 12x - 2.
A. (-?, 13) B. (13, ?) C. (-?, 2] D. [2, ?)
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Write the numbers in the order indicated.1.818, 1.9885, 1.8185, 1.98 in descending order
A. 1.98, 1.818, 1.9885, 1.8185 B. 1.8185, 1.818, 1.98, 1.9885 C. 1.98, 1.8185, 1.818, 1.9885 D. 1.98, 1.9885, 1.8185, 1.818
Mathematics