En un parque se quiere construir una fuente circular que ocupe una superficie de 28.26 m2.¿ cuál debe ser el radio de la fuente? (considera que pi = 3.14)

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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.

Equation for the calculation double 2 and then add 5