Many different orders can you line up 3 cards on a table?

Plz me plz i will give a brain just plz

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =