Plsss answer the question in the photo .I rlly need ur help. It s probably easy for most of you guys here .

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

What is the vertex form of f(x) = x2 + 6x + 3

What is the order of magnitude for the number of liters in a large bottle of soda served at a party