Achemist needs to make 40 ml of a 25% acid solution. he has a 5% acid solution and a 30% acid solution on hand. if he uses the 5% and 30% solutions to creat the 25% solution, how many milliliters of each will he need?

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected

Find the measure of the missing angle