Need with 18- 23 . i tried doing them but come up with different answers not on the paper

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?