Use the scenario to answer the question that follows. marta and shanika open their own computer repair shop and agree to share the decision-making, the profits, and the risks. marta will manage their parts inventory and all the accounting duties. shanika will work out front to meet customers when they drop off and pick up their computers. marta will work on desktop computers, while shanika will repair laptops. marta and shanika’s arrangement is an example of *

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs.† your mansion has 150 light fittings and 3000 sq ft of uninsulated exterior wall. to impress your friends, you would like to spend as much as possible, but save no more than $750 per year in energy costs (you are proud of your large utility bills). how many compact fluorescent light bulbs and how many square feet of insulation should you purchase? how much will you save in energy costs per year? (if an answer does not exist, enter dne.)

To determine her power usage, samantha divides up her day into three parts: morning, afternoon, and evening. she then measures her power usage at 3 randomly selected times during each part of the day.

In two or three sentences describe how open market operations change the money suppy