One root of the equation 2x2 - x - 15 = 0 is

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.