Are there any real teachers on here

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.