Which of the following sets of (x, y) coordinates does NOT represent a function of X? A {(1, 1), (2, 2), (3, 3), (4,4), (5,5)}
B. O {(0,1),(0,2), (0,3), (1,4), (2,5)}
C. {(1,0), (2,0), (3,0),(4,0), (5,0)}
D. {(1,5), (2, 4), (3, 3), (4,2), (5,1)}

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.