You have 98 coins consisting of half-dollars and dimes. The number of dimes is 10 less than five times the number of half-dollars.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years