Joe has 3 pounds of clay. he uses 3/4 pound to make a vase . how much clay is left ?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

If m 17 27 90 63 ** picture is attached

Which of these triangle pairs can be mapped to each other using two reflections?