How to find the length

Find equation of line with slope equals 8 and passing through (6,53)

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years