The graph for the equation y=2x−2 If another equation is graphed so that the system has one solution, which equation could that be?

y=2x + 2
y=2x−2
y=2x−4
y=−2x−2

Which of the following three dimensional figures has a circle as it’s base

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

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?