Discover Questions

Prove that if n is odd that n^3+3n^2-n-3 is divisible by 48? Prove that sin^2 6x -sin^2 4x = sin2x sin10x? A photon has energy of 2 ev find its frequency and wavelength? Do the points make a right triangle? (4,0) (2,1) (-1,-5)? Write the standard form of the line with the given information.
The line that contains a slope of 1/2 and passes through the point (-2, -3).?