What is the answer to 8=56, 7=42, 6=30, 5=20, 3=?

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

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

Find the domain of the following expression: 1/(√x)-2