Solve for x using an equivalent exponential expression.The perimeter of the rectangle is 30 centimeters. Find its width.
A. 3 cm
B. 4 cm
C. 6 cm
D. 18 cm
Answer: A
Mathematics
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Perform the indicated operation.(5x9 + 5x7 - 9x3 + 8) - (10x9 - 10x4 + 4x3 - 12)
A. -5x9 + 5x7 + 10x4 - 13x3 + 20 B. 5x9 + 5x7 - 10x4 - 13x3 + 20 C. 5x9 + 5x7 + 10x4 - 13x3 + 20 D. -5x9 + 5x7 - 10x4 - 13x3 + 20
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- 
A. 1
B. - 
C. 
D. - 
Mathematics