How to find the area and perimeter of a rectangle

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Given the median qr and trapezoid mnpo what is the value of x?