Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(10x7y5)-2
A. 
B. 
C. 100x14y10
D. 
Answer: A
Mathematics
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Solve the problem.A rectangular pool 3.1 m by 6.3 m is surrounded by a 1.7 m wide sidewalk. Find the area of the sidewalk.
A. 21.76 m2 B. 43.52 m2 C. 19.53 m2 D. 32.4 m2
Mathematics
Write the rational expression as an equivalent expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Simplify.(-4x6)(-6x2)
A. -24x8 B. 24x12 C. -24x12 D. 24x8
Mathematics
Find the real solutions of the equation.
= -5
A. {- 
}
B. {- 26}
C. {
}
D. {- 25}
Mathematics