Simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive numbers.(b7)2/7
A. b2/49
B. b9/7
C. b1/2
D. b2
Answer: D
Mathematics
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Simplify the rational expression.
A. 6z
B. 
C. 
D. 
Mathematics
Solve by completing the square.y2 = - 3y + 9
A. 
B. -3 ± 3
C. 
D. 
Mathematics
Perform the indicated operations.(n + 10)2
A. n2 + 20n + 100 B. 100n2 + 20n + 100 C. n2 + 100 D. n + 100
Mathematics
Solve the equation. Round to the nearest thousandth.162(1.10)x/8 = 324
A. {56.250} B. {1.100} C. {60.110} D. {58.180}
Mathematics