Provide an appropriate response.Suppose that you are solving a system of 4 linear equations and 4 variables by the Gaussian elimination method. If you use the transformation -8R2 + R1, which row(s) of the augmented matrix will change?
A. Rows 2 and 1
B. Row 2
C. Row 1
D. No rows will change.
Answer: C
Mathematics
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Solve the system by the substitution method.y = 3x2 + 6x
A. {(-2, 0), (-3, 9)} B. {(2, 0), (-3, 9)} C. {(1, 9), (-6, 72)} D. {(2, 0), (3, 45)}
Mathematics
Use a graphing calculator to evaluate the sum. Round to the nearest thousandth.
A. 2325.687 B. 9302.748 C. 9234.821 D. 4549.173
Mathematics
Write the number 
without using exponents.
?
A. 360 B. 380 C. 400 D. 40
Mathematics
Provide an appropriate response.Is 
= 
a true statement? Explain your answer by simplifying the expression on the left, step by step, until it is an expression with only positive exponents that cannot be further simplified.
What will be an ideal response?
Mathematics