So we have a warm up which turned into hw. it was find the pattern in the triangles and now we have to do the sides. it's a function thing. basically,

n | # of sides
1 = 3
2 = 9
3 = 18
4 = 30
5 = 45

, i dont understand it at all

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

19

step-by-step explanation:

i don't know, but that looks pretty bad. my school passed us unless we failed in all the subjects, but idk abt ur school's rules.

copyright potato 2019.