Solve the equation.
= -15
A. -20
B. 20
C. -75
D. 75
Answer: C
Mathematics
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Find the value of (f ? g)' at the given value of x.f(u) = 
, u = g(x) = 
, x = 4
A. 
B. 
C. 
D. 
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The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r(1 - 2 cos ?) = 1
A. 
= 2 + x
B. 
= 1 + 2x
C. x2 + y2 = 2 + x
D. x2 + y2 = 1 + 2x
Mathematics
Solve the problem.A label printer prints 4 pages of labels in 4.1 seconds. How long will it take to print 164 pages of labels?
A. 170.1 sec B. 172.1 sec C. 168.1 sec D. 171.1 sec
Mathematics
Perform the addition or subtraction.(7a2b - 9ab + 5) - (3a2b + 4ab - 4)
A. 4a2b + 13ab + 9 B. 10a2b - 13ab + 9 C. 4a2b - 13ab + 9 D. 4a2b + 13ab - 9
Mathematics