Which of the following relations is a function? a. (-8, 1), (0, -5), (2, 5), (5, 1) b. (-8, 4), (0, 6), (-8, 3), (5, 2) c. (2, 1), (0, 4), (-8, 1), (2, -5) d. (-8, 1), (0, 4), (2, -5), (0, 6)

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?