The map needs to be reproduced at a different scale so that it has an area of 6 in.² and can fit in a brochure at what scale should the map be reproduced so that it fits on the brochure 1 inch for every 30 miles

In the 30-60-90 triangle below side s has a length of and side r has a length

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.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.