Factor the polynomial completely.49k3m - 28k2m2 + 4km3
A. km(7k - 2m)2
B. km(7k - 2m)(7k + 2m)
C. km(7k + 2m)2
D. prime
Answer: A
Mathematics
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Apply Green's Theorem to evaluate the integral.
(4x + y3) dx + (3xy2 + 9y) dyC: Any simple closed curve in the plane for which Green's Theorem holds
A. -2 B. 0 C. 2 D. There is not enough information to evaluate the integral.
Mathematics
Use a calculator to verify the value found by using the double-angle formulas.Find cos 150° directly and by using functions of 75°.
A. 0.2588 B. 0.5176 C. 0.6993 D. -0.866
Mathematics
Find the derivative.r = 9 - ?3 cos ?
A. 
= 3?2 sin ?
B. 
= 3?2 sin ? - ?3 cos ?
C. 
= - 3?2 cos ? + ?3 sin ?
D. 
= 3?2 cos ? - ?3 sin ?
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.x- 
y = 43x + 
y = -6
A. parallel B. perpendicular C. neither
Mathematics