Find a polar equation for the circle.x2 + (y + 4)2 = 16
A. r = 4 cos ?
B. r = 4 sin ?
C. r = -8 sin ?
D. r = -8 cos ?
Answer: C
Mathematics
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Match the given graph with its equation.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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Convert the units using unit fractions.15
gal = 
qt
A. 122 B. 60 C. 61 D. 30
Mathematics
Use synthetic division to perform the division.
?
?
A. 
B. ?
C. ?
D. ?
E. none of these
Mathematics
Use Cramer's Rule to solve the following system of linear equations:
a. 
b. 
c. 
d. 
e. 
Mathematics