HELPPP ME PLEASEE (Geometry)

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

When rolling 26 sided number cube what are the chances some of the role will be seven

Will mark ! (10 points also! ) if x varies inversely with y and x =6 when y= 10, find y when x=8 a. y=4.8 b. y=7.5 c. y=40/3 d. y=4/15