Which ordered pair could be removed from the graph to
create a set of ordered pairs that represents a function?
(4.2)
(-1.4)
(1,3)
(2-3)

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Which graph of a hyperbola represents the equation 16x^2-y^2=16

Can anyone explain to me how to do this? anything will .