Pls answer fast this is my last assignments is giving 30 points and make the brainiest

The distributive property allows you to say that 3(x − 1) = 3x −

What is the period of the sinusoidal function ?

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?