An electrician charges $100 per hour for the first 40 hours that they work, time and a half for the 10 hours past 40, and double time for all hours past 50.

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ