Plz explain step by step, i'm taking adv. math (algebra) it's confusing if can't explain, plz at least give right answer ✌ ignore the answer for #1, i put it on accident

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

What is the measure of angle tvu shown in the diagram below

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought