Try 30, 7 footers and 4, 20 footers, (or instead of the 20 footers use 8, 10 footers)
28
56
9 yrds
12' is max for a 2 x 4 wall. You will need 69 studs for a 90' wall with 16" centers.
231ft x 9ft = 2079ft2
It depends on the size of the bricks and their orientation.
The answer will depend on the size of the bricks.
2 minutes!
how many bricks and how big r thay
The answer will depend on the size of the bricks, which are not standard.
9 if the studs are on 16" center and 7 if on 24"
Every 16" and you'd need 25