Which of the following relations describes a function? A. { (0, 0), (0, 2), (2, 0), (2, 2) }
B. { (2, 2), (2, 3), (3, 2), (3, 3) }
C. { (2, -1), (2, 1), (3, -1), (3, 1) }
D. { (-2, -3), (-3, -2), (2, 3), (3, 2) }

What is the value of x in the diagram below?

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

3x + 4y = 5 x- 3y = -7 solve by substitution