Factor by grouping.r3 + r2 + 5r + 5
A. (r2 + 1)(r + 5)
B. (r2 + 5)(r - 5)
C. (r2 + 5)(r + 1)
D. (r2 + 5)(r + 5)
Answer: C
Mathematics
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A. 
B. 
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D. 
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What will be an ideal response?
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where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is 
long, 
high, and 
wide. Give the exact value.
A. 10 ft
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ft
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A. Yes B. No
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