If the simple interest on 3,000$ for 3 years is 450$, then what is the interest rate?

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?

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?

2,10,-50 next two numbers geometric sequence