Help me out in this question please.

Every rhombus is a square. true false

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick