Find the distance between the complex numbers. z1 = 9 - 9i z2 = 10 - 9i a) 26.2
b) -1
c) -26.2
d) 1

Which expression is equivalent to 5r6141 2r+st6

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?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3