Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis