Estimate the sum or difference by rounding each number to the nearest hundred.
A. 6000
B. 5800
C. 5900
D. 5813
Answer: C
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Provide an appropriate response. The degree of a term that has only one variable (with a nonnegative exponent) is the exponent of that variable. The degree of a term that has more than one variable is the sum of the exponents of the variable factors. That is, the degree of 2x3y4 is 7 since the sum of the exponents (3 + 4) is 7. Given this knowledge, find the degree of the polynomial: y10 + 2xy8 - 5x4y7
A. -5 B. 11 C. 10 D. 7
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = (x + 4)2 - 1
A. 
B. 
C. 
D. 
Solve the quadratic inequality by any method. Write your answer in interval notation.x2 - 10x + 21 ? 0
A. [7, ?) B. [3, 7] C. (-?, 3] ? [7, ?) D. (-?, 3]
Provide an appropriate response.Suppose that you are solving a system of three linear equations and three variables by the row echelon method and you obtain the following augmented matrix. 
What row transformation would you perform next?
A. Add 6 times row 1 to 15 times row 3 to obtain a zero in the third row, second column position.
B. Add row 1 to row 2.
C. Multiply row 1 by 
.
D. Multiply row 2 by - 1.