Step-by-step explanation:

Answer:
the 3rd one from top
Step-by-step explanation:
because the coefficient is largest
Triangle classification by sides would be scalene, no congruent sides; isosceles, at least 2 congruent sides; equilateral, 3 congruent sides.
Answer:
246.137
Step-by-step explanation:
246.13687 ≈ 246.137 (rounded to the nearest thousandth)