Solve the problem.In how many ways can a student work 6 out of 10 questions on an exam?

A. 5040
B. 1,000,000
C. 24
D. 210

Answer: D

Mathematics

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Solve the equation on the interval 0 ? ? < 2?.sin(2?) + sin ? = 0

A.
B.
C. No solution
D.

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Solve.-3x = 24

A. x = -27 B. x = 27 C. x = -8 D. x = 1

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Simplify the expression. Assume that all variables are positive when they appear.

A.
B. 13
C.
D. 13

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Mathematics

Answer the question.Are the two expressions equivalent? If so, explain your answer. If not choose values for y and r as a counter example. +   and  

What will be an ideal response?

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Mathematics