Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (6, -4)
A. (x - 6)2 + (y + 4)2 = 2
B. (x + 4)2 + (y - 6)2 = 4
C. (x - 4)2 + (y + 6)2 = 4
D. (x + 6)2 + (y - 4)2 = 2
Answer: A
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Completely factor the expression.
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?
A. 
B. 
C. 
D. 
E. 
Find BA-1.A = 
B = 
A. 
B. 
C. 
D. 
Determine whether or not the first number is divisible by the second number521,364; 3
A. Yes B. No
Solve the problem.Newton's Law of Cooling states that if a body with temperature T1 is placed in surroundings with temperature T0 different from T1, then the body will either cool or warm to temperature T(t) after time t, in minutes, where 
A dish of lasagna baked at 375°F is taken out of the oven into a kitchen that is 69°F. After 6 minutes, the temperature of the lasagna is 318.5°F. What will its temperature be 12 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 281°F B. 272°F C. 258°F D. 266°F