Ahalf-dollar has a diameter of about 31 millimeters. about how many millimeters long would a row of 56 half-dollars be?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1