Solve for x and y:
x+y=5
x-y=a
no work is necessary, please answer soon

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid

Ineed on the last 8 questions for this homework i’m trying to get all this done by tuesday when i got to my level 5 teacher if i have passed my tabe

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.