Math u need to learn

How do you change the magnification lens on a microscope? Why does February only have 28 days? What are the different types of horse wraps? What is the role of water in coal formation? How do you get rid of risen between your butt cheek? What is the fat percentage in Holstein Friesian cow? What are wavelengths? Can a mother with b plus blood type and a father with b plus blood type have a baby with a blood type? My clitorious is stinging? How many pounds honey in 1.5 gal? Why are cows referred to as Daisy? What is the US dime made from copper nickel silver or a mixture of copper and nickel? How do you call a group of armour? How much is 1.89270589 liters in ounces? Inventor paper clip? What is the coordination number of phosphorus? What is the name of a natural current in the atmosphere? If s waves only pass through some of earths layers what would that tell you about the composition of those layers? What are the S's in the laboratory? What brand is the CLS1110 cell phone?