-5
- 3
A. -2
B. -8
C. 15
D. -8
Answer: D
Mathematics
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Express the following in interval notation.x ? 5
A. (-?, 5] B. (-?, 5) C. (5, ?) D. [5, ?)
Mathematics
Factor completely.5w - 5x + 5w2 - 5x2
A. 5(w - x)(1 + w - x) B. 5(w - x)(w + x) C. 5(w - x)(1 + w + x) D. (w - x)(1 + w + x)
Mathematics
Perform the indicated arithmetic.2
- 
A. 6
B. 7
C. 6
D. 6
Mathematics
Solve the problem.Joe wants to find out how far it is across the lake. His boat has a speedometer but no odometer. The table below shows the boat's velocity at 10-second intervals. Estimate the distance across the lake using right endpoints.
A. 373 ft B. 3830 ft C. 5600 ft D. 3730 ft
Mathematics