Simplify the expression. Assume that all variables are positive when they appear.-8
- 9
A. -17
B. -19
C. 35
D. -35
Answer: D
Mathematics
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Provide an appropriate response.Construct a perpendicular to the line r at P.
What will be an ideal response?
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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. 14; 150° B. 28; 150° C. 28; 30° D. 14; 330°
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Solve the formula for q.
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A. 
B. 
C. 
D. 
E. 
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Solve the system of equations using substitution.
A. x = 8, y = -7; x = 7, y = -8 or (8, -7), (7, -8) B. x = 8, y = 7; x = 7, y = 8 or (8, 7), (7, 8) C. x = -8, y = -7; x = -7, y = -8 or (-8, -7), (-7, -8) D. x = -8, y = 7; x = -7, y = 8 or (-8, 7), (-7, 8)
Mathematics