Cell phones are becoming very popular at poplar middle school. in 2000, there were 15 students with cell phones. each year the number of students with cell phones has increased by 20%. at this rate, how many students will have cell phones in 2007?

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

According to the data set, where should the upper quartile line of the box plot be placed?