Ben swims​ 50,000 yards per week in his practices. Given this amount of​ training, he will swim the​ 100-yard butterfly in seconds and place th in a big upcoming meet. ​ Ben's coach calculates that if Ben increases his practice to​ 60,000 yards per​ week, his time will decrease to seconds and he will place th in the meet. If Ben practices​ 70,000 yards per​ week, his time will be seconds and he will win the meet. In terms of​ Ben's time in the big​ meet, what is his marginal productivity of the number of yards he​ practices? The marginal product of increasing practice yards from​ 50,000 to​ 60,000 is nothing ​second(s) ​(enter a numeric response using a real number rounded to one decimal​ place)

While studying for the engineering economy final exam, you and two friends find yourselves craving a fresh pizza. you can't spare the time to pick up the pizza and must have it delivered. "pick-up-sticks" offers a 1-1/4-inch-thick (including toppings), 20-inch square pizza with your choice of two toppings for $15 plus 5% sales tax and a $1.50 delivery charge (no sales tax on delivery charge). "fred's" offers the round, deep-dish sasquatch, which is 20 inches in diameter. it is 1-3/4 inches thick, includes two toppings, and costs $17.25 plus 5% sales tax and free delivery. 1. what is the problem in this situation? state it in an explicit and precise manner. 2. systematically apply the seven principles of engineering economy (pp. 3-6) to the problem you have defined in part (a). 3. assuming that your common unit of measure is dollars (i.e., cost), what is the better value for getting a pizza based on the criterion of minimizing cost per unit of volume? 4. what other criteria might be used to select which pizza to purchase?

Which of the following statements is true regarding the reporting of outside interests and the management of conflicts? investigators are responsible for developing their own management plans for significant financial interests. the institution must report identified financial conflicts of interest to the u.s. office of research integrity. investigators must disclose their significant financial interests related to their institutional responsibilities and not just those related to a particular project. investigators must disclose all of their financial interests regardless of whether they are related to a research project.

Provide an example of open-ended credit account that caroline has. caroline blue's credit report worksheet.