Simplify the expression. Assume that all variables are positive when they appear.
A. - 
B. -40
C. - 
D. -9
Answer: C
Mathematics
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Perform the indicated operation. Write the answer in scientific notation.(5.1 × 104) × (3.9 x 103)
A. 2.0 × 10-8 B. 1.989 × 108 C. 1.989 × 1012 D. 1.989 × 104
Mathematics
Draw the given angle.0°
A. 
B. 
C. 
D. 
Mathematics
Various signs have symmetries. Determine if the following sign has line symmetry, turn symmetry, and/or point symmetry, if any.Taxi
A. This sign has turn symmetry only. B. This sign has no symmetry. C. This sign has point symmetry only. D. This sign has line symmetry only.
Mathematics
Use the MACRS depreciation rates table to find the recovery percent (rate), given the recovery year and recovery period.MACRS Depreciation Rates 
Recovery year:8Recovery period:10 years
A. 4.46% B. 4.522% C. 6.56% D. 6.55%
Mathematics