Find the standard form of the equation of the circle.Center at (-5, -2) and containing the point (-2, 4).
A. (x - 5)2 + (y - 2)2 = 45
B. (x + 5)2 + (y + 2)2 = 45
C. (x + 5)2 + (y + 2)2 = 3
D. (x - 5)2 + (y - 2)2 = 3
Answer: B
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Write the negation of the proposition.She earns more than me.
A. She earns the same as me. B. She does not earn more than me. C. She does not earn less than me. D. She earns less than me.
Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 4 and x = 4. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 
?
B. 
?
C. 
?
D. 
?
The concentration of a drug in grams/cubic centimeter (g/cm3) t minutes after it has been injected into the bloodstream is given by 
where w, p, and k are positive constants, with p> w.
?
At what time is the concentration of the drug the greatest? What will be the concentration of the drug in the long run?
?
A. 
B. ?
C. ?
D. ?
Sets A, B, and C are given. Find the indicated set. A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}A ? C
A. {-1} B. {4, 6, 7, 9} C. {-8, -3, -1, 2, 4, 5, 7, 9} D. {-3, -1, 2, 5, 7, 9}