Lauren needs 3.6 meters of ribbon to make a bow. She cuts the ribbon off a roll that has 26.45 meters of ribbon.
How many meters of ribbon are left on the roll?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Precalculus question, image attached.

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?