Use the addition rule to solve the problem.A spinner has regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?

A.  
B.  
C.
D. 12

Answer: C

Mathematics

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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 3y - y2 and the y-axis about the line x = -1

A. ?
B. ?
C. ?
D. ?

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Mathematics

Find the magnitude of the vector.u = 

A. 6
B. 6
C. 90
D. 3

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Mathematics

Multiply. Write the result in the form a + bi.(2 + 3i)2

A. 13 + 12i B. -5 + 12i C. 4 + 9i D. 4 - 9i

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Mathematics

Expand the expression using the Binomial Theorem.( + )4

A. x2 + 2x3/2 + 15x + 10x1/2 + 25
B. x2 + 25
C. x2 + 4x3/2 + 30x + 20x1/2 + 25
D. x2 + 4x1/2 + 30x + 20x1/2 + 625

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Mathematics