I need help, anyone get this?

99 points create an expression equivalent to 3(4x -2) -5x + 10 using the least number of terms. (1 point for expression and 1 point for showing your work)

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62