Find the measures of all the angles in the figure below, if 
.
?
?
A. 
?
?
?
B. ?
?
?
C. ?
?
D.
?
E. ?
?
?
Answer: B
Mathematics
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Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. 
B. 
C. AB is not defined.
D. 
Mathematics
Find the slope of the line passing through the pair of points: ? P (-15, -19); Q (-14, -12) ?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
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Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = -3x2 - 1
A. 
B. 
C. 
D. 
Mathematics