Answer:
x=6
Step-by-step explanation:
First, add x to each side.
72=-2x+84
Subtract 84 from each side
-12=-2x
Dive each side by -2
6=x
Answer:
3:5
Step-by-step explanation:
first half : 9
second half : 15
9:15 = 3:5
Answer:
39.69
77.21(I’m not to sure if this one is accurate)
Step-by-step explanation:
As far as I know 0 IS a rational number. The only ones that are not rational are negative numbers. :) Though I could be wrong.....