Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.x-2/5 ? x3/5
A. x1/5
B. x5/6
C. x-1/5
D. x6/5
Answer: A
Mathematics
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Solve the formula for the specified variable.P = s1 + s2 + s3 for s2
A. s2 = s1 + P - s3 B. s2 = P - s1 - s3 C. s2 = s1 + s3 - P D. s2 = P + s1 + s3
Mathematics
Solve the system by elimination.2x + y = 6 x - 2y = 18
A. (7, -8) B. (8, -5) C. (5, -6) D. (6, -6)
Mathematics
Graph the equation by plotting points.4x + 3y = 12
A. 
B. 
C. 
D. 
Mathematics
Simplify by combining like terms. Write the final answer with descending powers.-7x + 5 + 5x
A. -2x B. -2x + 5 C. -2x - 5 D. -10x
Mathematics