help please, I will give brainliest to whoever answers correctly

☁️ Answer ☁️
annyeonghaseyo!
Your answer is:
The first one:
Exact form: x = 5/2
Decimal form: x = 2.5
Mixed number form: x = 2 1/2
The second one:
y = 15.
The third one:
t = 4. Good luck on the rest
Hope it helps.
Have a nice day hyung/noona!~  ̄▽ ̄❤️