Simplify the expression. Assume all variables represent positive real numbers.
A. 6
B. 2
C. 5
D. 15
Answer: C
Mathematics
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Decide whether or not the modulo system forms a group.{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; addition modulo 10
A. Not a group B. Group
Mathematics
Expand, where i2 = -1.(
+ i)6
A. -16 B. 26 C. -64 D. 32
Mathematics
Find fraction notation for the percent notation in the problem.An employee had 6% deducted from his paycheck for deposit in the company 401K plan.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The polynomial 2lw + 2lh + 2wh describes the surface area of a box. A company makes cardboard boxes. The boxes are 2 ft. by 3 ft. by 7 ft. What is the area of the cardboard that is required for each box?
A. 80 ft2 B. 86 ft2 C. 41 ft2 D. 82 ft2
Mathematics