Justin has 100 feet of fence to make a rectangular dog pen. what dimensions of the rectangle will provide the largest pen for the dog?

a. 20 ft by 30 ft
b. 25 ft by 25 ft
c. 35 ft by 15 ft
d. 40 ft by 10 ft

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