Which will give you the most revenue? A) Invest $20,000 at 12% for 5 years compounded annually
B) Invest $200 at 12% for 50 years compounded annually
C) Invest $2,000 at 12% for 15 years compounded annually

What are “like terms”? why can we only add like terms?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?