Find the sum or difference.-6.619 + (-3.449)

A. -10.068
B. 10.068
C. 3.17
D. 22.829


Answer: A

Mathematics

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Answer the question.If we apply the quadratic formula and find that the value of b2 - 4ac equals zero, what can we conclude about the solutions?

A. The equation has no real number solutions. B. The equation has exactly one irrational solution. C. The equation has two different rational solutions. D. The equation has exactly one rational solution.

Mathematics

Tell whether the statement is true or false. If false, give the reason.{3, 15, 28, 11, 37} = {37, 15, 11, 82, 3}

A. False; the elements must have the same sum. B. True C. False; the elements are not in the same order. D. False; the elements are not the same.

Mathematics

Identify the independent variable and the dependent variable.Let P be the percentage of people who own a house and whose income is I dollars.

A. P independent, I dependent B. I independent, P dependent

Mathematics

Multiply. ? 

A.
B.
C.
D.

Mathematics