The pages of a book are numbered consecutively from 1 to 275. how many times is the digit 8 used in numbering the pages?

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

What percent of the circle below is shaded?

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