What conversion factor is appropriate to express the cost of 5.3 lb of apples?

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which equation represents the partial sum of the geometric series?