Mary is half of her sister's age. The sum of their
ages is 18. How old is her sister?...
Mathematics, 20.09.2020 05:01, tlecuyer
Mary is half of her sister's age. The sum of their
ages is 18. How old is her sister?
Answers: 3
Mathematics, 21.06.2019 20:30, esnyderquintero
Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.
Answers: 3
History, 12.11.2019 00:31
English, 12.11.2019 00:31
History, 12.11.2019 00:31