Bonjour, pouvez vous m'aider pour un exercice svp, c'est sur la forme passive

Tranform into the passive form as in the example :
Google collects our data -> Our data is collected by Google.

a. They use an app to manipulate the viewers.
b.Managers screen potential employees with the help of their social network history.
c.Social media sell our personal information to make money.
d. He was surprised when he understood social networks tracked him all the time.
e. They post too many personal details on the net.
f. Kogan sent thousands of quizzes to American people.
g. They paid people derisory sums of money.
h. People are using the latest version of the app.