OpenStudy (anonymous):

From a boat on the lake, the angle of elevation to the top of a cliff is 14°28'. If the base of the cliff is 743 feet from the boat, how high is the cliff (to the nearest foot)?

OpenStudy (anonymous):

how many hours would you have to ride your bike at 10 mi/h to burn 550 calories? |dw:1351031229142:dw|