Solve the equation. First simplify the expression by combining like terms.3(-7x + 5) + 5(3 + 7x) = (15 + 15x)
A. {15}
B. {45}
C. {30}
D. {-15}
Answer: A
Mathematics
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Solve the problem.A man flies a kite at a height of 
The wind carries the kite horizontally away from him at a rate of 
How fast is the distance between the man and the kite changing when the kite is 
away from him?
A. 7 m/sec B. 7.6 m/sec C. 6.5 m/sec D. 50.5 m/sec
Mathematics
Rewrite the rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(-3, 0)
A. 
B. (3, 0)
C. (3, ?)
D. 
Mathematics
Multiply.
A. q2 + 1
B. q2 + 
q + 1
C. 2q2 + 
q + 1
D. q2 + 
q + 1
Mathematics