# What was the complaint the house of Jacob made to Yahweh concerning them humbling themselves and fasting?

Their complaint to Yahweh was that when they fasted and humbled themselves Yahweh didn't see it or notice. 

# What did Yahweh say the house of Jacob did on the day of their fast?

Yahweh said that on the day of their fast they find their own pleasure and oppress all their laborers. 