How much would $300 invested at 7% interest compounded continuously be worth after 4 years? Round your answer to the nearest cent. ​

Can someone pls ! pls answer all. no explanation needed..

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?

Solve for x and select the correct answer