Worried about studies
[Philippians 4:6-7] Do not be anxious about anything but in everything, in prayer and petition, with thanksgiving; present your request to God. And the peace of God, which transcends all understanding. will guard your heart.
[Isaiah 26:3] You will keep in perfect peace him whose mind is steadfast, because he trust in You.
[Psalms 3:5] I lie down and I sleep, I wake up again because the Lord sustains me and all night long the Lord protects me.
Physically and mentally tired
[Isaiah 40:31] But those whose hope is in the Lord will renew their strength. They will soar on wings like eagles, they will run and not grow weary and they will walk and not be faint.
I am far too behind to catch up
[Psalms 43:5] Why are you so downcast my soul? Why so disturbed within me? Put your hope in God; for I will yet praise Him; my Savior and my God.
I don't understand what this question is all about.
[Proverbs 3:5-6] Trust in the Lord with all your heart and lean not on your own understanding; in all of your ways acknowledge Him; and He will make your path straight.
* p/s 'coz I referred to a bookmark but when I referred to the bible the verse is wrong X: (thanks for the correction in the comments :D )
I am too nervous to think properly
[John 14:27] Peace I leave within you; my peace I give to you, I do not give to you as the world gives. Do not let your heart be afraid.
I don't have the wisdom to answer this question.
[James 1:5] If any of you lacks wisdom, he should ask God who gives generously to all without finding fault, and it will be given to him.
This question is impossible for me to answer.
[Mark 9:23] Everything is possible for him who believes.
What will my results be
[Psalms 37:4] Delight yourself in the Lord and He will give you the desires of your heart.