Write the complex number in the form a + bi. 8(cos 30° + i sin 30°)

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?

Find the missing dimension extra points

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2