Best of BAM Q&A: Cain’s Offering, the Point of Prayer, and Righteous Anger

On today’s Bible Answer Man broadcast, Hank answers the following questions: Why didn’t God have regard for Cain’s offering? Since my prayers are not going to change God’s mind, what is the point of prayer? Paul said that Abraham believed in God and it was counted to him as righteousness, but if you look at his life you see a lot of sin; so how is he considered righteous? What is righteous anger and what does it look like? I know there is a lot of debate over the doctrine of election. So how should we interpret Romans chapter 9, and can you recommend any resources for further study?