The midpoint of (-4,15) and (22,3)

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12