Simplify.(-1)22

A. 22
B. -1
C. -22
D. 1

Answer: D

Mathematics

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Solve the given differential equation. + y = 14 + 6 cos 3x

A. y = c1 sin x + c2 cos x +  cos 3x + 14
B. y = c1 sin x + c2 cos x -  cos 3x
C. y = c1 sin x + c2 cos x -  sin 3x + 14
D. y = c1 sin x + c2 cos x -  cos 3x + 14

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Mathematics

Find the square root.- 

A. -11 B. -60 C. not a real number D. 11

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Solve the problem.Midtown Delivery Service delivers packages which cost $2.30 per package to deliver. The fixed cost to run the delivery truck is $352 per day. If the company charges $6.30 per package, how many packages must be delivered daily to make a profit of 

A. 40 packages B. 88 packages C. 104 packages D. 153 packages

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Mathematics

Find the limit.sec-1 x

A. - 
B.
C. ?
D. 0

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Mathematics