HELP PLEASE IM ON A TIMER

What is the Value of x?

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

The length of a field is 100 yards and its width is 75 yards. if 1 inch represents 25 yards, what would be the dimensions of the field drawn on a sheet of paper?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction