+52 1-Solve the inequality (s+8)(s-1)\(\le\)0
2- Solve the inequality x(x+6)>16
3-Solve the inequality 4t^2\(\le\)9t-2
4-Solve the inequality \(\[\frac{3-z}{z+1} \ge 1.\]\)
5-For an integer n, the inequality \(x^2 + nx + 15 < 0\)
has no real solutions in x. Find the number of different possible values of n.
thanks
