Answer the question.Which pair of values of x and y makes 5x + y equal 13?
A. x = 12 and y = 5
B. x = 2 and y = 3
C. x = 3 and y = 2
D. x = 5 and y = 12
Answer: B
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Solve the problem.Find the total impedance ZT when the impedances 
and 
are in parallel. 
A. ZT = 
B. ZT = 424
C. ZT = - 
+ 
j
D. ZT = - 
- 
j
Use the statistical display to answer the question.Marriage Licenses Issued
(Each ? represents 20,000 licenses)Which months differ the least in the number of licenses issued and by how much?
A. May and July; 10,000 B. March and April and May and July; 20,000 C. March and April and May and July; 10,000 D. March and April; 20,000
Solve the equation.
+ 3 = 6
A. {-5, 1} B. {5} C. ? D. {5, -1}
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400