Find the measure of the indicated exterior angle in the triangle, when 
.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Find the probability.A digit is chosen randomly from the digits 0 through 9 and then 6 is added to the digit and the sum recorded. Find the probability that the sum is 1.
A. 
B. 
C. 0
D. 
Mathematics
Perform the indicated operation. Write the result in the form a + bi.
? 
A. -21i B. 21i C. 21 D. -21
Mathematics
Solve the problem.When 34 is decreased by twice a number, the result is 16. Find the number.
A. 10 B. 9 C. 8 D. 11
Mathematics
Find an equation for the line with the given properties.Slope undefined; containing the point 
A. y = 8
B. x = 8
C. y = - 
D. x = - 
Mathematics