Answer:
16
Step-by-step explanation:
12-(-4)=12+4=16
Answer = 63
Explanation
You could set up a ratio of y1/y2 = x1/x2
In your case
3/21=9/x
3x=189
X=63
Answer:
I think it would be 87.5 as an average between 85 and 90.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Alske