Ineed to know the answer to number 25

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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