OK THIS IS SERIOUSLY FREAKY check this CORONA 6 letters C is the 3rd letter in the alphabet O is the 15h R is the 18th O is 15th N is 14th and A is the 1st add those all up you get 66 then take the 6 from the 6 letters and put that next to 66 to get 666 then divide 2020 by 666 and you get 30330 now look at the image below

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Which expression is not a polynomial?

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?