HELP QUICK An astronomer hosts a stargazing party for $775. If the group tips the astronomer 15%, what is the total amount that the astronomer earns for the stargazing party?

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

What does the relationship between the mean and median reveal about the shape of the data

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap