Add or subtract.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify.(5x)4y
A. 5x+4y B. 5x4y C. 5x+4 D. 54xy
Mathematics
Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 9 - 3 cos ?
A. 
?
B. 45?
C. 
?
D. 90?
Mathematics
Evaluate the function at the given values of the variable.f(x) = 9x2 + 2
a. f(9)
b. f(-5)
A. 164, -88 B. 6563, 2027 C. 324, -180 D. 731, 227
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. - 
B. - 
C. 
D. - 
Mathematics