What's the steps to figure out the math questions?

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 expression gives the area of the triangle shown below

What is coefficient of the term of degree of degree 5 in the polynomial below