8. Raymond spends $900 on calculators to sell to forgetful students. He kept 10 calculators for prizes at his birthday party and sold the rest for $1040. His profit was $4 per calculator. How many calculators did he buy, and for what price did he buy them? Model the problem with an equation and show your work. Solutions from trial and error will not be accepted. Clearly define any variables you use first.

Q: Question attached

A: Given information- Sample proportion, p = 0.25 We know that, sample is best estimator of population…

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A:

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A:

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: Question attached.

A: a. The values 1, 2, and 5 to be a population. The 9 different possible samples are,…

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A: Given:- Numbers are 56 and 34  To find:- LCM of (56, 34)  Method:- i use prime Factorization method

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A:

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A: 3+4=7

Q: Question attached

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Q: Answer unclear

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Q: 5.2 please

A: Given information 95% confidence interval = (128 minutes, 147 minutes)

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A: here the graph passes two times  through the x -axis  so there will be two roots

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A: Hello. Since your question has multiple parts, we will solve the integration by first six part for…

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A: First term, a1 = a= 1 common difference, d= 3

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A: Solution: a. From the given information, n=26 and π=0.34.

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A: We know that nCr = n!/(n-r)!r! 5C2= 5!/(5-2)!2!        = 5*4*3*2*1/(3*2*1)(2)        = 120/12…