Which set of points represents a function?
a) (0, 2), (1, 2), (2, 4), (3,5), (4,5)
b) (1, 2), (2, 1), (2, 4), (3,5), (4,5)
c) (3, 4), (2, 1), (4, 2), (3,5), (4,5)
d) (5,2), (3, 2), (4, 2), (5,3), (4,5)

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28