Bethany needs to solve the equation -x^2+4x=x-4. What system of equations could she write to help her solve for x? Name the solution for her system.

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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.

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?