Answer a b c and d ?pls

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Of four points are collinear, they are also coplanar

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground