He could either use the tab key to indent, if you want to make the ruler visible, you can go to the view tab and click the check mark next to show ruler.
Answer:
1, 3, & 4.
Is the way to do so. Good luck.
Step-by-step explanation:
2x = 3y
4y = 5z
x = 3y/2
z = 4y/5
ratio between x and z is 15 : 8
