Liz polishes rings for a jeweler she can polish nine rings per hour how many hours will it take her to polish 315 rings? ?

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Asap! i'm not good math and i'm lost.