Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.9 × 15
A. 14
B. 90
C. 135
D. 45
Answer: C
Mathematics
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Simplify the expression by multiplying. 4(-6x)
A. 2x B. -24x C. 24x D. -2x
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Represent the quantity with an integer.247 feet above sea level
A. +247 B. -247
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Find the perimeter of the given square or rectangle.
A. 360 cm B. 180 cm C. 540 cm D. 270 cm
Mathematics
Solve the problem.Add (3x - 7 + 3x3) to the sum of (6 + x2 + 6x) and 
A. 4x3 + 5x2 + 9x - 4 B. 4x3 + x2 + 13x - 1 C. 4x3 + x2 + 13x - 4 D. 5x3 + 13x - 4
Mathematics