Solve by graphing method 5y<2x+10 and y-4x>8

The graph of fx shown below has the same shape as the graph of gx = 3x^2 but is shifted down 2 units

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.