Which of the following pairs of lines are
not parallel?
fy= -2, y = 4
g * + y = 3,x - y = 3
h y = ** + 5, y =*- 4
2x + y = -5,6x + 3y = 9

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?