Jack spends 1 1/4 times as long on his homework as jill. Last week, Jill spent 9 1/2 hours doing homwork. The week before, Jack spent 20 3/4 hours doing homework. How long did Jill spend doing homework? 2) The sum of three mixed numbers is 22 3/5
Two of the numbers are
9 2/3 and 5 5/6
What is the third number

step-by-step explanation:

once you graph it hit 2nd (the blue button) and graph

that takes you to a table of coordinates

on the left is x coordinates and on the right is y coordinates and an empty box

(you may have to scroll up/down in order to get ( x, 0)

idk

step-by-step explanation:

use that smart brain

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)