Answer:
D
Step-by-step explanation:
-12/6= -2
x^10/x^8= x^2
y^3/y= y^2
n+4 is the final answer.
a.(+4) and (+2)
Mark my answere branliest thanks
1. 73
2.-63
1. 30+43=73
2. -84+21= 21-84=-63