Ablue candle is twice as long as a red candle. the blue candle takes 6 hours to burn out and the red candle takes 15. after 5 hours, what fractional part of each candle is left? the blue candle’s length is what fraction of the red candle’s length? explain how you got your answer.

The only way to identify an intercept is as an ordered pair. true false

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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?