What are the steps to solve 3.5(c-8)+c=12.5? i already went on a different website and found out the answer is nine. i plugged it in and it was correct, but i would like to see how to do it because i am still clueless about how to get this answer

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.

Is it true or false i’m trying to pass this test so i can leave school

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles