Revenue bills can be proposed only
a: the house
b: the senate
c: the speaker
d: the presendent

Answer;

The house

Explanation;

- A revenue bill focuses on methods for raising money, e.g. taxes, user fees, customs duties, and tariffs. Under the U.S. Constitution, federal revenue bills are required to be initiated in the House of Representatives.

-According to the Constitution; all bills for raising revenue shall originate in the House of Representatives, and that, the Congress shall have the power to lay and collect taxes. Presidents can, and frequently do, recommend changes to current tax laws, but only Congress can make the changes.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering