Solve P = 2W + 2L for W.
W =

(Answer quickly)

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

How can you find the mean absolute deviation (mad) for this set of data?

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30