John and maria are spending the afternoon hiking in the desert. they purchased six bottles of water for $9.00, two protein bars for lunch for $5.00, and some peanuts for $3.00 as a snack. suppose they start hiking at 11: 30 am and finish the hike at 3: 45 pm what is the unit rate of money spent to hours hiked show your work. plz me

(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)