Calculate Δ^2f by Eq. (3). Check by direct differentiation. Indicate when (3) is simpler. Show the details of your work. f = cos^2 x sin^2

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

Are triangles the congruent? write the congruency statement. what is the congruency that proves they are congruent? what is the perimeter of ∆pqr?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96