Which triangle makes this statement true? ΔDEF ≅ _

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?