Bill and annie's ages add up to a total of 30 years. bill is six years older than twice annie's age. how old are bill and annie?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Intro biblioteca sunt 462 de carti cu 198 mai putine enciclipedii si cu 47 mai multe dictionare decat enciclopedii cate enciclopedii sunt in biblioteca