Solve the system by graphing.3x - 2y = 252x + 3y = 21
A. {(3, 15)}
B. {(1, 9)}
C. {(9, 1)}
D. ?
Answer: C
Mathematics
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Fill in the blank with one of the words or phrases listed below. 
A(n) 
is made up of two rays that share the same endpoint. The common end point is called the 
.
A. adjacent; vertical B. angle; vertex C. adjacent; vertex D. angle; vertical
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Find the average of the numbers.4, 3, 10, 15, 3
A. 8.75 B. 8 C. 36 D. 7
Mathematics
Determine whether the matrix is a regular stochastic matrix. Give a reason for your conclusion.
What will be an ideal response?
Mathematics
Find the derivative of the following function.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics