1. a machine makes bolts that are 12 mm long. the bolts are considered acceptable if they are within 0.2 mm of 12 mm. a. what is the longest the bolt can be and still be acceptable? b. what is the shortest the bolt can be and still be acceptable?

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

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