Book Maths Puzzle Area and Volume

The horsepower that a rotating shaft can safely generate varies jointly with the cube of its diameter and its speed in revolutions per minute. A shaft with a 3-inch diameter turni

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Book Other Question

How to sulve quadratic equations using the cmopleting the square method ?
Example: 2x square + 5x +3 I am having a hard time on this question what shall I do ?
If the cost of renting a canoe is a basic fee of $5 plus an additional charge of $2.50 for each hour that the canoe is r