ABCDEFGH is a regular octgon. Which one of the following triangles is congruent to ABC ?

Anyone know? will mark brainliest if correct

What does x = in this equation x+3+2x=x+5

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.