I have a classroom where I answer algebra questions. Here is the link and I'll try to answer your question. Let me know if you can't access it. It's not letting me post the link so ill try to put it in the comments.

Which expression is equivalent to 4 square root 6 divided by 3 root 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 image of abc after a reflection across eg is abc