T= 21.79x + 3.99x + 6.89x where t is the total cost and x is the number of brushes/rollers/paint cans you buy. You don't need a different variable for each item because you buy the same amount of each.
the angle 4pi/5 in quadrent 2
The range is 6. because the highest number is 21 and the lowest is 15.
(21-15=6). hope i helped !
Answer:
me
Step-by-step explanation:
