The following figure shows the rate of change of enrollment for a community college. Estimate the total change in enrollment over the first 6 years. Using n=3 rectangles, use right sums to estimate the total change in enrollment over the first 6 years. rate (students per year) 800 700 600 500 400 + 300 200 100 t (years) 10 2 4 6. 8

The following lists the six New York Stock Exchange volume leaders on June 24.   An investor buys 100 shares of GE at the Last Trade price, pays a $100 commission on the purchase, and sells the 100 shares a year later for $37.78 per share with a 2% commission on the sale. Find the total cost. = 3578Find the total dividend. = 106Find the commission when selling the shares. = 75.56(a) Find the capital gain when selling the shares.$ (b) Find the total return for the year.$ (c) Find the percent of return. (Round your answer to two decimal places.) %

The graph below shows the U.S. federal expenses for 2012. 3000- Interest All other departments and agencies Dollars (billions) 2000- 1000- Department of Defense Medicaid Medicare Other Social Security Mandatory spending Discretionary spending (a) Estimate the fraction of the total expenses that were spent on Medicare. Write your answer as the closest fraction whose denominator is 100. 100 000 00 100 100 100 100 (b) Estimate the fraction of the total expenses that were spent on Medicare and Medicaid. Write your answer as the closest fraction whose denominator is 100. 10 00000 100 20 100 30 100 40 100 100

Profession A  earns 113,000 to 153,000 a year Profession B earns 118,000 to 177,000 a  year   What is the difference in pay by percentage