What is the common ratio for the geometric sequence below, written as a fraction? 768, 480, 300, 187.5, … /

Perform the indicated operation. 8/a - 6/a + 7/a

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes