There will be eight marbles on the 9th line
That is 6 I believe
3 squared equals 9
9*2=18
18/3=6
3/4 times 7/6 in simplest form = 0.875
2) AAA
or the angle-angle-angle postulate.
There are congruent angles (as seen by the lines on the angles) that indicate this is the accurate answer.
Let me know if I can be more help! <3
