The cost to produce a product is modeled by the function f(x) = 5x^2− 70x + 258 where x is the number of products produced. complete the square to determine the minimum cost of producing this product.

After two years, how much has been paid into interest?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

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?