Which set of ordered pairs (x, y) could represent a linear function? A = {(-3,3), (-1,0), (1, –4), (3,-8)}
B = {(-2,5), (-1,3), (1,1), (3,-1)}
C = {(0,9), (3,5), (6,1), (9,-3)}
D = {(-2,9), (1,8), (3, 7), (5,6)}

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable