Please help will mark brainliest 2. Prove that this identity is a Pythagorean triple {(x2 – y2).(x2 + y2), 2xy} for the condition that
x>y>0.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle