Answer:
Step-by-step explanation:
5(x)-600=800
x=280
B because the line over the 28 means that it’s repeating and a repeating decimal = rational number example : 27.67777777 is a rational number because it’s repeating and an irrational number would be 27.6719473637
Its equilateral ( all sides are equalA0
Also its acute.
D and F