Solve the problem.How many different three-digit numbers can be written using digits from the set {4, 5, 6, 7, 8} without any repeating digits?
A. 10
B. 120
C. 60
D. 20
Answer: C
Mathematics
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Use the method of undetermined coefficients to solve the differential equation.y'' - 16y = 5sin x, y = 0, y' = 0 when x = 0
A. y = - 
e4x + 
e-4x - 
cos x
B. y = 
e4x - 
e-4x - 
sin x
C. y = - 
e4x + 
e-4x - 
sin x
D. y = 
e4x - 
e-4x - 
cos x
Mathematics
Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Mathematics
Use the distributive property to remove parentheses.- (4x + 5y)
A. -4x + 5y B. 4x + 5y C. 4x - 5y D. -4x - 5y
Mathematics
Solve the linear programming problem by the method of corners.
Mathematics