X=-3 which is a positive value? a x b x^2 c x^3 d x+3

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?