Which graph shows the solution to the following inequality?
-2r + 3 2 19
-2
-1
-10
o
1
2
3
4
5
6
7
8 9 10
-10 -9
-1 0
5 6 7 8 9 10
-10 -9
-8
-7 -6
5
6
7 8 9 10
-10 -9
-8
-6
-5
-4 -3
-2
-1
0
1
2
3
4
5
7
9 10

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?