IDNLearn.com: Your reliable source for finding precise answers. Our community is here to provide the comprehensive and accurate answers you need to make informed decisions.

an office complex leases space to various companies. these leases include energy costs associated with heating during the winter. to anticipate costs in the coming​ year, the managers developed two random variables x and y to describe costs for equivalent amounts of heating oil​ (x) and natural gas​ (y) in the coming year. both x and y are measured in dollars per btu of heat produced. the complex uses both fuels for​ heating, with