Solve the problem.If 4 hours are required to type 12 pages, how many hours would be required to type 21 pages?
A. 2 hours
B. 7 hours
C. 3 hours
D. 8 hours
Answer: B
Mathematics
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Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 + 2x + 2y - 23 = 0
A. Center (1, 1), r = 5
B. Center (-1, 1), r = 5
C. Center (1, -1), r = 5
D. Center (-1, -1), r = 5
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. x - 8
B. 
C. 
D. x + 8
Mathematics
Provide an appropriate response.List all negative integer pairs that have a product of 12.
A. -1, -12 B. -2, -6; -3, -4 C. -3, -4 D. -1, -12; -2, -6; -3, -4
Mathematics
Solve the problem.Given that P(A) = 0.44, P(B) = 0.47, and P(A ? B) = 0.71, find P(A ? B).
A. 0.20 B. 0.91 C. 0.2068 D. 0.51
Mathematics