Write and graph a piecewise function for the following situation. A house painter charges $12 per hour for the first 40 hours he works, time and a half for the 10 hours after that, and double time for all hours after that. How much does he earn for a 70-hour week?
1. Write the problem using a table, piece wise function, notation and graph.
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What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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