Hey guys!! So for unit rates how would you put it? How I mean is (ex. 4,000:1 or 4,000/1) It doesn't have to be asap I just need an answer! Thanks!

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

Ihonestly have no clue if it's each or none.