Two angles across from each other on intersecting lines. They are always congruent! Example:

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain