A bag has 3 yellow, 6 red, and 5 green marbles. You randomly choose a marble from the bag and replace it. What is the probability of choosing a yellow or red marble? Simplify

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?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?