Determine if the triangle is similar. if yes write which postulate proves that they are similar

What’s the domain of this function? fastttt

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.