The relationship between the number of $4 lunches you buy with a $100 school lunch card and the money remaining on the card
(state wether the graph of the linear relationship is a solid line or a set of unconnected points.

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase