Imma get banned three times now. they caught me lackin

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?