At Max's party 3/12 of the guests are 10 years old and 7/12 of the guests are II years old what fraction of the guests are 10 or 11 years old?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

X+y=-4 x-y=2 use elimination with adding and subtraction

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