HELLLP

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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.

In the diagram below, tan θ = sqrt 3. what is the value of m?