PLZ HELP ME PLZ SHOW YOUR WORK SO I CAN GIVE YOU BRAINLIEST Solve the inequality below.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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?

The measures of ? 1, ? 2, and ? 3 are 40%, 12.5%, and 25% of the sum of the angle measures of the quadrilateral. find the value of x.