Use gaussian elimination to find the complete solution to the system of equations. 4x - y + 3z = 12 x + 4y + 6z = -32 5x + 3y + 9z = 20

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

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?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?