How do you find the value of x and the length of the indicated segment

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?

Consider circle o, where and . m∠bpd °. °.

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !