Find three consecutive even numbers whose sum is 48.
A. 7, 9, 11
B. 14, 16, 18
C. –14, –12, –10
D. 16, 18, 20
E. 10, 13, 16
Answer: B
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Use the quotient rule to simplify the expression. Write the answer with only positive exponents.
A. -1017
B. 
C. 
D. 1011
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(2m2z4)(4m2z2)
A. 8m4z6 B. 8mz6 C. 8mz4 D. 8m4z
Add or subtract by first simplifying each radical and then combining any like radicals. Assume that all variables represent positive numbers.
+ 
+ 
+ 4
A. 17
+ 14
B. 17
+ 20
C. 145
+ 160
D. 37
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 triple, if possible.
A. (20 + 11z, -16 - 4z, z) 
B. No solution
C. (20 + 11z, -8 - 4z, z) 
D. (20 + 12z, -16 - 4z, z) 