Someone plz help me with this trigonometry question. Thank you.

Can you simplify 4/7? 24 points will be awarded!

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm