Answer:
C. (11;-2)
Step-by-step explanation:
on photo
Answer: 3 1/4 + 7
1/2 = 2/4 + 3/4 = 5/4/ 1 1/4 + 2 = 3 1/4 + 7
I attached a pic of my work, its 100% correct.
Its a bit messy....
D
