(-x-¹y)° 4w-¹y²w 4y² i just need to know how they got this answer. and show work

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?