Please help.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?