Solve the problem.Six college buddies bought one another Christmas gifts. They spent $170.21, $277.18, $148.63, $279.72, $285.83, and $149.47. Find the mean amount spent for Christmas gifts.
A. $250.21
B. $327.76
C. $218.51
D. $262.21
Answer: C
Mathematics
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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.e3ty'(t) = -8
A. y = 
e3t + C
B. y = 
e-2t + C
C. y = 
e-3t + C
D. y = 24e3t + C
Mathematics
Change 
to a percent.
A. 66%
B. 1.5%
C. 
%
D. 6.66%
Mathematics
Write true or false for the statement.All angles in an equilateral triangle are less than 90°.
A. True B. False
Mathematics
Solve the equation by completing the square.a2 + 14a + 45 = 0
A. 
, - 
B. 5, 9
C. 54, -9
D. -5, -9
Mathematics