Can someone solve number 1 for me??? and give me an explanation if you can.

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

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4