Answer the question.Which pair of values of x and y makes 3x + y equal 7?
A. x = 3 and y = 2
B. x = 2 and y = 1
C. x = 1 and y = 2
D. x = 2 and y = 3
Answer: B
Mathematics
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Find the quotient using long division.
A. 25 B. 849 C. 849 R25 D. 849 R12
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics
Point P is on the terminal side of ?. Evaluate the six trigonometric functions for ?. If the function is undefined, write "undefined."P(-6, 5); find sin ?.
A. 
B. - 
C. 
D. 
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find -2A - 4B.
A. 
B. 
C. 
D. 
Mathematics