Identify the elementary row operation being performed to obtain the new row-equivalent matrix.
?
Original Matrix New Row-Equivalent Matrix
?
A. Add 4 times Row 2 to Row 1.
B. Add 5 times Row 2 to Row 1.
C. Add 9 times Row 1 to Row 2.
D. Add 4 times Row 1 to Row 2.
E. Add 5 times Row 1 to Row 2.
Answer: D
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Choose the rational number that is between the two given rational numbers.
and 
A. 
B. 
C. 
D. 
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2
Construct a truth table for the statement form.(~p ? q) ? p
What will be an ideal response?
Simplify the expression using the order of operations.92 - 2 ? 6
A. 69 B. 378 C. 294 D. 474