Translate each verbal phrase into a mathematical phrase.
1. The quotient of twice x and thrice y
2. Two-thirds of a number subtracted from the square of the same number
3. Thrice a number decreased by 6
4. A number x diminished by 8
5. Subtract x from 2
6. 5 more than twice x.
7. Six increased by x
8. Thrice a number imcreased by 5