Which equation represents a proportional relationship?

a. y =

b. y=

c. y=

d. y=

Which choice represents the sample space ,s for this event

Determine which postulate or theorem can be used to prove that lmn =nmo

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.