Determine if the matrix is in row-echelon form.

A. Yes
B. No

Answer: B

Mathematics

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Solve.A new car sold for $12,345.00 plus 7.5% state sales tax. What was the total amount paid for the car?

Fill in the blank(s) with the appropriate word(s).

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Evaluate the polynomial function for the given value of the variable.Find P(-1): P(x) = -2x3 - 7x2 + 5x - 5

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Perform the indicated operation. Assume that all variables represent nonnegative real numbers. + 6 + 3

A. 9
B. 9
C. 28
D. 28

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