Someone please help?! With this math being timed

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

Yvaries directly as x. y =90 when x=6. find y when x=13

On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?