Find the mass and center of mass of a wire in the shape of the helix x = t, y = 7 cos(t), z = 7 sin(t), 0 ≤ t ≤ 2π, if the density at any point is equal to the square of the distance from the origin. mass incorrect: your answer is incorrect. center of mass x, y, z = incorrect: your answer is incorrect.

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d