Find the percent change from 70 to 42.

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.

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2