I need help I answered this questiong with, "The triangle's area have 4 because the quarter of the the squares and half of the squares, you add em together to make a full cm so, the area of the triangle adds up to 4, and the square's area is 4 aswell." but it came out wrong.

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?

Ateacher asked his students to vote for an animal to be their class pet. five-eighteenths of the students voted for a rabbit, voted for a snake, and voted for a hamster. which statement is true? more students voted for a hamster than a snake. more students voted for a snake than a rabbit. more students voted for a rabbit than a hamster. more students voted for a snake than a hamster.

On a piece of paper graph f(x)=5•(0.4)^x