According to records from the last 50 years there is a 2/3 chance of june temperatures being above 80

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !