A fish tank has a capacity of 11,778 cubic inches of water. You are given a cylindrical bucket with height of 25 inches and radius of 5 inches to fill the tank with water. How many full buckets of water will you need to completely fill the fish tank? Round to the nearest whole number.

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Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is