Question

the house of lords powers are limited to
reviewing and examining bills that are passed by the house of commons
signing into law all bills passed by the house of commons
vetoing bills under the guidance of \lords spiritual\ affecting the church of england
enacting laws for hereditary peers

Explanation:

The House of Lords in the UK parliamentary system has a role of reviewing and examining bills passed by the House of Commons. Signing into law is mainly the monarch's (with government advice) role in a formal sense (though in practice, it's a formality). The House of Lords doesn't have the power to veto bills in a general sense (except for some very limited scenarios related to certain types of legislation, but the main role is review). Enacting laws specifically for hereditary peers is not a general power. The main power among the options is reviewing and examining bills from the House of Commons.

Answer:

reviewing and examining bills that are passed by the House of Commons