20 POINTS! 20 POINTS! 20 POINTS!

1. y=|x-3|+|x-2|-|x-5|, if x>5

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

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?