Determine whether the lines are parallel, intersect or coincide
y=-3x+4, y=-3x+1

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Just tell me how to set up the equation.

Sketch one cycle if the cosine function y=2cos2theta