Please answer the question in the photo attached. Also, explain how to solve it so I know how to solve the next.

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Which of the following is an equation of a line parallel to the equation y=4x+1?