What is the domain if the rational expressions X(x-2/(x- 2)(x+ 3)
and
x/x+3
are equivalent?
A. all real numbers except -3
B. all real numbers except -2
C. all real numbers except -3 and 2
D. all real numbers except 2

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.