How much pure alcohol must be added to 3 liters of 10% alcohol to obtain 18% alcohol?

Place the following steps in order to complete the square and solve the quadratic equation,

If the probability of an event happening is 65% then the probability this event does not occur?

Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!