the difference between 2 numbers is 12. the larger number is 3 times the smaller. what are the numbers

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

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

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left