Can you help me solve in any algebraic method ?

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 slope of the line that contains the following points. r(-2, 4), s(6, -2)

Polynomial that can be factored as (3x-4)(3x+4)