Add or subtract.( - ) + (3 + )

A. 6 + 13i
B. 6 + 3
C. 6 - 3i
D. 6 + 3i


Answer: D

Mathematics

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Mathematics

Write an algebraic expression for each quantity using the given variable.The height of a box is 7 inches longer than the width. The length is 2 inches shorter than triple the width. Use the letter w.

A. w = width; w + 7 = height; 3w - 2 = length B. w = width; w + 7 = height; w - 2 = length C. w = width; w - 7 = height; 3w + 2 = length D. w = width; w + 7 = height; 3w + 2 = length

Mathematics

Find the indicated limit if it exists.

A. does not exist B. 4 C. 0 D. 1/4

Mathematics

Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.

A.
B.
C.
D.

Mathematics