Find the center and radius of the circle with the given equation. x2 + (y + 4)2 = 25
A. Center (-4, 0), r = 25
B. Center (-4, 0), r = 5
C. Center (0, -4), r = 25
D. Center (0, -4), r = 5
Answer: D
Mathematics
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Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 
Mathematics
Rationalize numerator.
A. 
B. 
C. 
D. 
Mathematics
Find the limit and determine if the function is continuous at the point being approached.
sin(x sin2x + x cos2x + 1)
A. does not exist; no B. sin 4; yes C. sin 4; no D. sin -2; yes
Mathematics
Translate the statement into a formula.The total monthly earnings, t, equal $12 per hour times the number of hours worked, h.
A. t = 12 B. t = 12 + h C. t = 12 - h D. t = 12h
Mathematics