PLEASE HELP ITS DUE RIGHT NOW 9th grade math Which of the following is a function?
O {(3,4),(2,5), (1,6), (3,1) }
O {(8,1),(6,2), (4,1), (2,2) }
O {(-1,-1). (-1,2), (-3,3), (-4,4)}
O {(0,5), (1,4), (0,6), (1,6) }

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

step-by-step explanation:

if you want to separate 54 into 6 individual tiers then you need to divide if you want to separate 54 into 6 individual tiers then you need to divide 6 and 54.

if you divide 9 by 6 you will get 54.

- hope i .