Georgia is finishing making a dress. She has 78 inches of thread that she cut into two pieces. One pieces is twice as long as the other piece. How long is each piece?

What is the vertex form of f(x) = x2 + 6x + 3

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

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?