God hears your prayers

“Before they call I will answer; while they are yet speaking I will hear.” (Isa. 65:24 ESV)

God hears the prayers of the righteous

“The Lord is far from the wicked, but he hears the prayer of the righteous.” (Prov. 15:29 ESV)

“The eyes of the Lord are toward the righteous and his ears toward their cry.” (Psalm 34:15 ESV)

“When the righteous cry for help, the Lord hears and delivers them out of all their troubles.” (Psalm 34:17 ESV)

Call to God and He will answer you

“Call to me and I will answer you, and will tell you great and hidden things that you have not known.” (Jer. 33:3 ESV)

“In my distress I called upon the Lord; to my God I cried for help. From his temple he heard my voice, and my cry to him reached his ears.” (Psalm 18:6 ESV)

Therefore…

“Therefore I tell you, whatever you ask in prayer, believe that you have received it, and it will be yours.” (Mark 11:24 ESV)

“And this is the confidence that we have toward him, that if we ask anything according to his will he hears us. And if we know that he hears us in whatever we ask, we know that we have the requests that we have asked of him.” (1 John 5:14-15 ESV)

“If you abide in me, and my words abide in you, ask whatever you wish, and it will be done for you.” (John 15:7 ESV)