What additional information is needed to prove that the triangles are similar?

to prove triangledef ~ trianglejkl by sas, we would need to show that de/jk = .

to prove triangledef ~ trianglejkl by aa, we would need to show that angle e ≅ or that angle f ≅ .

What is the value of 1/3x + 7x when x = 5

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld