Will mark brainlist PLS HELP

How many of each different 2-D shapes do you see?

Alaptop computer is purchased for $1350 . after each year, the resale value decreases by 30% . what will the resale value be after 5 years?

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function