Select all that apply. Given: x = 5, y = 6, z = 8. Which of the following are false?
1. x == 5;
2. x < (y + 2);
3. z <= 4;
4. y > (z-x);
5. z >= (y+x)
6. y <= 6

a. 1 b. 2
c. 3 d. 4
e. 5 f. 6