Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.
1/4
A. - 
B. 2
C. 
D. -2
Answer: C
Mathematics
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Solve the problem.For the vectors u and v with magnitudes 
= 6 and 
= 8, find the angle ? between u and v which makes 
= 4
A. 48.19° B. 60.00° C. 41.81° D. 41.41°
Mathematics
Solve the absolute-value inequality.|7k + 4| + 5 < 7
A. ?
B. 
, or 
C. 
, or 
? 
D. 
, or 
Mathematics
The map below has horizontal and vertical grid markers for ease of use. For example, Newport is located in grid A4. Use the grid labels to indicate the location of the given city.
Capitol City
A. D5 B. F5 C. E5 D. E4
Mathematics
Perform the operation and reduce to lowest terms.
× 
A. 
B. 
C. 
D. 
Mathematics