Can someone me with these questions ! 1. who is the author? how does this impact their point of view? 2.when was the letter written? what was happening in america at that time?

What is an alternate exterior angle

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?