Multiply using the rule for finding the product of the sum and difference of two terms.(x + 1)(x - 1)
A. x2 - 2
B. x2 - 1
C. x2 + 2x - 1
D. x2 - 2x - 1
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Construct an R chart.A machine is supposed to fill cans that contain 12 oz. Each hour, a sample of four cans is tested; the results of 15 consecutive hours are given below.
What will be an ideal response?
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Provide an appropriate response.Determine the perimeter of the given drawing.
A. 45 in. B. 52.7 in. C. 45.3 in. D. 38.5 in.
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Solve.
- 1 = 
A. {-8, 10} B. {-20, 10} C. {8, -10} D. ?
Mathematics