Can you resolved a,b,c,d

D3 V Veronique Smith posted Jul 2, 2020 5:21 PM Subscribe D3: When buying or selling stock for a customer, the Murphy-Hutchings Agency charges $18 plus 12 cents per share of stock purchased or sold. Lehman and Associates charges $15 plus 18 cents per share of stock purchased or sold. a. Write a system of equations to represent the cost of purchasing or selling stock with each company. b. Graph both equations on the TI calculator. Report the equations you put in for Y1 and Y2 and your Window settings. c. Use the graph to determine the number of shares of stock that must be purchased or sold for the total cost to be the same. d. If you wanted to purchase 300 shares of stock, which firm would be less expensive