An airport offers three shuttles that run on different schedules. if all shuttles leave the airport at 4: 00p. m., at what time will they next leave the airport together? a leaves every 8 mins, b every 10 mins and c every 12 mins. when is the next time they will all leave together

Multiplying an even number of negative numbers gives an answer that is choose from:

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)