What famous decoration, the highest award a u. s. serviceman, was created by congress in 1861

Which value is not a solution of 8x^3 – 1 = 0

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?

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.