Tell whether the expression is a polynomial. If it is, give its degree.-9z2 + z
A. Polynomial; degree 1
B. Polynomial; degree 3
C. Polynomial; degree 2
D. Not a polynomial
Answer: C
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Find 
if 
, 
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.
?
?
A.
B.
C.
D.
E.
Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Suppose the triangles shown are similar, with angle A = angle D, angle B = angle E, and angle C = angle F. Answer the question.
What is the value of x?
A. 17
B. 34
C. 
D. 
Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant II, and cos ? = 
, ? lies in quadrant I
Find cos (? - ?).
A. 
B. 
C. 
D. 