If ΔABC is similar to ΔDEFand EF = 6y, which represents the length of DF ? Options
3y + 3
3y + 9
4y + 7
4y + 16

Simply 8x squared + 5(7x squared- x) - 2x =

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

The tile along the edge of a triangular community pool needs to be replaced? ?