Answer all these questions, please I will give brainlist:)

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is the area of the shaded sector?

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?