Which choice best describes a substance’s state?

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

What is the solution of the systems of equations? y=2/3x+3 x=-2

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28