(CST): Right Triangles and Trigonometry What is the length of side s of the square shown below?
45
2
90°
o
A. 4.5
B. 2
C. 2
D. 1
E. 4.
please don't give me a link!!

Volume of cylinder with a radius of 8cm and height of 25 cm

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?