Will give brainliest to the correct answer.

based on these sets of side lengths, which triangles are right triangles?

What is the 12th term of b(n)=-4-2(n-1)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square