Three and four fiths and three and one half. how much do i have to cut off three and fourfiths to make them even

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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?