C²cos²B+b²cos²C+bccos(B-C)=1/2(a²+b ²+c²)​

answer: 2530

hope this

i think the answer is b.

step-by-step explanation:

not 100% sure though.

no i do not : ( what is it?

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 .