Find the perimeter of the polygon. Assume lines that appear to be tangent, are tangent. Round to the nearest tenth

How do you solving the solution of each system using elimination?

What dimensions can créate more than one triangle ?

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y