Select all that fall under Regression task $($Select all that apply$)$

Predicting credit risk of Zustomers based on their salary and income in dollars

Predicting monthly revenues of Al startup in dollar amount

Predicting if patient has cancer or not based on historical medical records

Predicting customer satisfaction on a scale of $1$ to $5$ with markings as unsatisfactory, satisfactory, good, average, and excellent respectively for the product purchased from an e$-$commerce website