Jori has 7 boxes of books, with each box holding the same number of books. he has 126 books in all. how many books are there per box? 10 books per box 18 books per box 27 books per box 28 books per box

3(10x-y)-5(x-y^2) need this solved asap

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles