Free points and give me free points on who ever answers pls

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Ethan is proving that the slope between any two points on a straight line is the same. he has already proved that triangles 1 and 2 are similar. drag statements and reasons to complete the proof.

Sarah needs 3 feet of fabric for a project she is working on, but the store only sells the fabric in meters. one meter of fabric costs $1.20. how much will the fabric cost?