The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using backward substitution.
Write the solution as an ordered pair, if possible.
A. No solution
B. (-1, 2)
C. (-6, 2)
D. (2, -6)
Answer: A
Mathematics
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Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 24.84 B. x = 113.07 C. x = 0.04 D. x = 9.06
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. x6
B. - 
C. -x6
D. 
Mathematics
Simplify the expression, if possible.10log10 5
A. 15 B. 10 C. 50 D. 5
Mathematics
Solve the equation for the indicated variable.V = 
Bh; h
A. h = 
B. h = 
C. h = 
D. h = 
Mathematics