Determine the measure of the interior angle at vertex A.
A. 60°
B. 168°
C. 120°
D. 84°
Answer: A
Mathematics
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Solve the proportion for the given variable.
= 
A. 12
B. 
C. 20
D. 2
Mathematics
Let 
. Find the domain of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = 5x
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
A. cos ? = - 
, tan ? = 
B. cos ? = - 
, tan ? = - 
C. cos ? = - 
, tan ? = - 
D. cos ? = 
, tan ? = 
Mathematics