PLZ HELP the questions are based off of Pythagoras theom plz help I don't get it

The question is saying how the side lengths of a right triangle compares to the side length of a square

What is the difference between regular convex and concave polygons

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?