Whitch best describes the graph of the function f(x)=4(.5)x

Find two rational expressions that have the difference of 2-n/n-4

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?

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36