Explain how to compare 0.7 and 5/8.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.