Evaluate the expression for the given value or values.(x + 4y)2  when x = 3, y = 3

A. 49
B. 15
C. 225
D. 30

Answer: C

Mathematics

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Solve the given differential equation. + 25y = sin 5x

A. y = c1 sin 5x + c2 cos 5x - x sin 5x -  x cos 5x
B. y = c1 sin 5x + c2 cos 5x - x sin 5x
C. y = c1 sin 5x + c2 cos 5x - x cos 5x
D. y = c1 sin 5x + c2 cos 5x + x cos 5x

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Mathematics

Convert the angle to a decimal in degrees. Round the answer to two decimal places.23°47'37''

A. 23.94° B. 23.52° C. 23.79° D. 23.84°

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Mathematics

Solve the problem.Decide which of the rational functions might have the given graph. 

A. f(x) = x + 
B. f(x) = 2x + 
C. f(x) = x + 2
D. f(x) = x + 

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Mathematics

Add.8.4 + (-10.7)

A. 19.1 B. -19.1 C. -2.3 D. 2.3

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Mathematics