Which of the following is not one of the common temperature scales?
a. fahrenheit
c. celsius
b. kelvin
d. all are common temperature scales

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your