How can I do a(ii) I have already found the answer to a(I)?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.