Write the equation of the line fully simplified slope-intercept form. 12
11
10
9
-12-11-10-9-8-7-6 -5 -4 3-2-1
1 2 3 4 5 6 7 8 9 10 11 12
-4
-5
-6
-9
-10

Can someone answer this question? : )

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?

Complete the equation of the live through (-1,6) (7,-2)