Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.(3x-5)2(x2)-4
A. 
B. 
C. 32x80
D. 
Answer: B
Mathematics
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Multiply.(7y - 4)(49y2 + 28y + 16)
A. 343y3 + 112y2 - 64 B. 343y3 + 64 C. 49y3 + 64 D. 343y3 - 64
Mathematics
Write as a decimal.49.5%
A. 0.385 B. 0.495 C. 0.0495 D. 4.95
Mathematics
Solve the problem.Use the formula P = 4s to find the perimeter of a square with side length 23 centimeters.
A. 97 B. 69 C. 92 D. 46
Mathematics
Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.1.1x + 15.5y - 4.3z = 4.24.2x - 7.0y - 1.2z = -5.02.4x + 7.1y + 3.4z = 10.1
A. (0.1, 0.3, 0.6) B. (0.3, 0.6, 1.4) C. (0.1, 0.1, 0.3) D. (0.6, 1.4, 3.1)
Mathematics