Which of the following is a example of successive approximation ?
a. giving negative reinforcement for each mistake a student makes .
b . giving positive reinforcement when a student completes an assignment correctly .
c. giving positive reinforcement when a student comes close to what you wanted
d. giving negative reinforcement when a student doesn't finish an assignment on time .

You have $22,000 to invest in a stock portfolio. your choices are stock x with an expected return of 11 percent and stock y with an expected return of 13 percent. if your goal is to create a portfolio with an expected return of 11.74 percent, how much money will you invest in stock x? in stock y?

Sarah needs to complete financial aid packets. during which school year would she do this? sophomore freshman senior junior

Which statement below best describes george waring's approach to solving the problems of water-borne illness? a. waring is going with his "gut," because he believes that instincts and emotions are the best guides for action. b. waring efficiently and thoroughly lays out the case for why the problems are too large and overwhelming to be solved: people should just move out of cities back to their farms. c. waring has gathered the testimonies of people who live in densely populated areas in order to learn how they themselves have solved their problems. d. waring exhibits the industrial age's increased respect for and reliance on science and the scientific method.