Divide. Assume all variables are nonzero.
A. 6x10
B. 4x4 + 6x6
C. 12x8 + 2x2
D. 4x4 + 2x2
Answer: D
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Multiply.5(-9)
A. -50 B. -450 C. -145 D. -45
Use the graph to find the intervals on which it is increasing, decreasing, or constant.
A. Decreasing on (-?, 0); increasing on (0, ?) B. Increasing on (-?, 0); decreasing on (0, ?) C. Decreasing on (-?, ?) D. Increasing on (-?, ?)
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 5 in. by 10 in. B. 4 in. by 9 in. C. 3 in. by 4 in. D. 5 in. by 9 in.