Jenny has 50 square tiles . she arranged the tiles into a rectangular array of 4 rows. how many tiles will be left?

1. are the triangles similar and if so why? what is the value of x? show your 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

Which of the following circles have their centers in the third quadrant? check all that apply.