Perform the operation. Write the answer as a mixed number.
- 
A. 3
B. 
C. - 15
D. - 4
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Provide an appropriate response. Solve the system of equations using the addition method: 5x - y = -32x + 3y = -25
A. (-1, -2) B. (-5, -5) C. (2, 13) D. (-2, -7)
Mathematics
Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 4; 225°
B. 8; 45°
C. 4
; 45°
D. 4
; 225°
Mathematics
Use radical notation to rewrite the expression. Simplify, if possible.10,0001/4
A. 100
B. 
C. 10
D. - 
Mathematics