Perform the indicated operation and reduce to lowest terms.
+ 
A.
B.
C.
D.
Answer: B
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List the critical values of the related function. Then solve the inequality. ?
A. -3, 3, 27; (-?, -3) ? (3, 27] B. -5, -3, 3, 27; (-5, -3) ? (3, 27] C. 27; [27, ?) D. -5, -3, 3, 27; (-?, -5) ? (-3, 3) ? [27, ?)
Use absolute value notation to describe the situation. ? The temperature in Bismarck, North Dakota was 72°F at noon, then 33°F at midnight. What was the change in temperature over the 12-hour period? ?
A. |72°F - 33°F| ? 39°F B. |72°F- 33°F| = 39°F C. |72°F - 33°F| ? 39°F D. |72°F - 33°F| < 39°F E. |72°F - 33°F| > 39°F
Factor when possible.x2y - 25y + 100 - 4x2
A. (y - 4)(x + 5)(x - 5) B. (y + 4)(x + 5)(x - 5) C. (y - 4)(x2 + 25) D. Prime
Use the graph to determine whether the data represent direct variation, inverse variation, or neither.
A. Inverse B. Neither C. Direct