Since she is rolling 1 six sided dice the chances of her rolling a 3 are 1:6 because, she is trying to land on 3 not 3 numbers.
The next two term in patterns is below
3,6,5,10,9,18,17,34,33,66
N2+40-28=
Combine like terms
n2+40-28=n2+12
Factor out 2
n•2+12=2(n+6)
Therefore the answer is 2(n+6)
Yes because all equilateral triangles have equal angles and side lengths so they are all similar. hope i helped -J
