Which equation expresses D in terms of T and A

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a