Amother is currently 7 times older than her son. in 2 years time, she will be 5 times older than her son.
let x and y be the present ages of the son and mother respectively.
use the fact that the mother is currently 7 times older than her son to set up an equation relating r and v (call this equation 1).

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?