Cameron wanted to get both lines with one zap. They solved an equation to find the intersection point
and figured out that x= 10.
How could Cameron find the y-value of the point of
intersection?

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.