Let a={2,3} and b= {7,8}.write the power set of axb.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.