Three vector a, b and c each have a magnitud of 100m and lies in an xy plane, their dreiction relative to the potives direction of the x-axis are 30 degree, 45 degree and 60 degree rspectively, what are the magnitude and the angle of the a+b+c?

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