Cameron read 1
4
of a book in the morning, and he read some more at night. By the end of the day, he still had
1
3
of the book left to read. How much of the book did Cameron read at night?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Arational number that is equivalent to -20/4?