here are 6 contestants in a singing contest grand final. How many ways can we choose a grand champion, first-runner up, and second-runner up?

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A: This question is based on rationalization.

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Q: QUESTION 3 Prove that 2n > n2 if n is an integer greater than 4. For the toolhar press AIT. E10 /RCL

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Q: -3 w. Find the indicated information for the inequality. 8 9 x-5 x-4 x -9x+20 58. Identify any…

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Q: 4. Solve for x. Be sure to show all work. x+ 10 15 x-3

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A: We will use the property of similar triangles to solve this question.

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Q: X^2+3x-18=(x-3)(x+a)

A: Given that x2 + 3x - 18 =( x - 3 ) ( x + a ) we have to find value of a.  For this let us first…