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A math teacher wants to find out the average number of hours his students spend working on their math homework for his class each week. Which group would best represent a sample of the population? the first 30 students who enter the school building one morning 30 students selected from the lunchroom 30 students selected from his class rosters 30 students who stay after school for football practice

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You need to determine the number of ways in which 30 competitors from 50 can qualify. First, you have to realize that the order is irrelevant, that is: it is the same competitor_1, competitor _2, competitor _3 than competitor_3, competitor_2, competitor_1, or any combination of those three competitors.

So, the number of ways is which 30 competitors from 50 can qualify is given by the formula of combinations, which is:

C (m,n) = m! / (n! * (m -n)! )

=> C (50,30) = 50! / (30! (50 – 30)! ) = (50!) / [30! (50 – 30)!] = 50! / [30! 20!] =

 = 47,129,212,243,960 different ways the qualifiying round of 30 competitors can be selected from the 50 competitors.

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Which of these uses ethos? A. We are starving because the food, if you can call this slop “food,” at our school is not fit for the lowest grub on this fine Earth! B. All of the other schools in our district offer organic foods in the lunchroom; therefore, our school should offer organic foods as well. C. Yum Organics has been providing well-rounded organic lunches to schools on the West Coast for more than 15 years. D. The food at our school is O.K.; however, I wish we had more organic choices.

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Answer: D) Bountiful harvests, to suggest Gant’s agricultural success.

Explanation: In the given excerpt we can see many sensorial details like “His grape vines thickened into brawny ropes of brown” and “And the flowers grew in rioting glory in his yard—the velvet-leaved nasturtium, slashed with a hundred tawny dyes”, these sensorial details about Gant’s harvests helps to create an image of abundance, and products of great quality, which demonstrates Gant’s agricultural success.

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