Answer:
The Newcomen engine was used to pump water out of mines. Steam power really took off with improvements made by James Watt in 1778. The Watt steam engine improved the efficiency of steam engines considerably.
Pricing discrimination is a strategy in pricing which
charges customers with different prices for the same service or product. The
seller charges every customer with the maximum price the customer is willing to
pay. The seller groups its customers basing on their attributes and
characteristics as buyers.
Joint Commission on Accreditation of Healthcare Organizations
Answer:
The correct answer is A. tell how much or how many of something to produce, invest, purchase, hire, etc.
Explanation:
With the decision variables we represent the questions that we have and that motivate the formulation of the optimization problem. These questions must have a numerical answer, which implies a specific action and this action must be under our control.