Abigail saves $8 every week. Which expression represents the amount of money, in dollers, Abigail will save in "w" week? 1) 8+w
2) 8-w
3) 8w
4) 8/w

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