Write an equation in point-slope form of the line that passes through the point (−8, −2) and has a slope of m=5

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Could someone me with this question i’ve been stuck on it for 20 minutes