How much must be deposited today into the following account in order to have a $145,000 college fund in 18 years? Assume no additional deposits are made An account with annual compounding and an APR of 6.6%

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?