A cookie jar contains three types of cookies: chocolate chip, oatmeal, and sugar. 60% are chocolate chip. Half of the remaining are oatmeal. If there are 9 oatmeal cookies, how many cookies are in the jar?

i'm pretty sure it's 477,585,296, but perhaps my math is incorrect.

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.