Multiply. Express your answer in the simplest form.
7/10 2/5 7/25 1 3/4 14/50 25/7

When the ball has traveled a distance of

Ineed to know the answer to this algebra 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?