Help with this question

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?

Which graph represents the equation y =4x

The graph shows the distance kerri drives on a trip. what is kerri's speed?