The T-shirt stores having a sale the cost for the first T-shirt purchase is $12 because for additional T-shirt purchase at the same time is the least six dollars there is no tax on T-shirts the expression below represents the total cost and how many T-shirts purchase at same time

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

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Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane