Use a calculator to find the sum. Round the result to two decimal places.-38.55 + (-12.48)

A. -26.07
B. 51.03
C. 26.07
D. -51.03


Answer: D

Mathematics

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A.
B. ?
C. ?
D. ?
E. ?

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Solve the equation. Give the solution to three decimal places.3 4x - 2 = 13

A. {1.084} B. {0.867} C. {1.583} D. {0.084}

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Solve the problem.Find the sum of the first 986 positive integers.

A. 485605 B. 486591 C. 972,196 D. 973,182

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Determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. Then write and factor the trinomial.x2 - x

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B. ; x2 - x +  = 2
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Mathematics