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