Helppp plsss ASAP thxs

Which of these choices show a pair of equivalent expressions?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.