Aline is drawn through (–7, 11) and (8, –9). the equation  y  – 11 =  (x  + 7) is written to represent the line. which equations also represent the line? check all that apply.

y  =  x  +  

3y  =  –4x  + 40

4x  +  y  = 21

4x  + 3y  = 5

–4x  + 3y  = 17

What is the range for 31,39,29,34,37,24,36,33,34,28

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?

Anyone know these questions? i need ,.