Want 100p and brainiest answer first, what is    2        1              1__ - 2__ = ?                 3          3

Geometry answer picture question pls . reason and statements

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

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.