Find the value of x?

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 equation matches the graph shown ?

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days