I need help like no joke I’m giving 50 points and the Brain thing I actually need help if you give wrong answer I’ll flag you

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

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'.

Is a square always, sometimes, or never a parallelogram