The expression (3x - 4y2(3x + 4y2) is equivalent to:

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

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?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?