a velocity of magnitude 40m/s is directed at an angle of 40° east of north. draw a vector to represent this vector

List three major educational changes over the past 100 years that have positively influenced students. explain why these changes were influential.

Bella is the new president of first edition, a group dedicated to the promotion of english literacy in first-generation immigrant communities. in the two years that have passed since bella took the position, the organization's members have become more passionate about their mission and intensified their activities—they put in long hours teaching children to read, promoting the program to parents, and soliciting donations. bella's strength is in her ability to inspire others and make them believe that they are part of something greater than themselves. which term best captures bella's leadership style? a. transactional b. transformational c. legitimate authority d. absolute authority

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.)