Discover Questions

If our day went two times faster, then there would be 12 hours in a day, 30minutes in an hour, and 30 seconds in a minute. Is this true? Do doctors put pig's hearts in people? Find the point on the graph of y= x^3+3x^2-9x-12 at which the tangent line is horizontal.? Write an equation showing ethylamine acting as a base and a nucleophile.? If cos x = 3/7; x is an angle in the fourth quadrant; what is cos(x/2)?