Three circles of radii 8.5, 11.9, and 15.7 cm are mutually tangent. find the area bounded by the three circles.
area =

Find the quotient. 50a2 – 98b2 -5a +7b

Which graph corresponds to the function f(x) = x2 + 4x – 1?

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?