Isabell built a time travel machine but you can’t control the destination of her trip each time she uses a machine she has a 0.25 probability of traveling to time before she was born during the first year of testing is well uses her machine five times assuming that each trip is equally likely to travel before Isabellas born what is the probability that at least one triple trouble before as well as born

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 base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so