How do you write 0.253 in two other forms?

Afootball is throw by a quarterback to a receiver

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.