Please help!! What is the sum of the measures of the angles of a 25-gon?

4,140º

25º

360º

2,500º

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

The parabola opens: y=√x-4 (principal square root) up down right left