Can someone please help me? I just need 18 and 20 please. I would appreciate it a lot if you would show me how to get the answer.

Answer:
see below 20)
Step-by-step explanation:
20) considering that center of dialation is on the line and the line has no biginning or ending the line is having the same equation as 5x -2y = 18
writen in slope intrcept form y =5/2x-9