Which set of angle measures can be the angle measures of a triangle? A 31°, 60°, 90°

B 18.4°, 32.6°, 129°

C 125°, 25°, 40°

D 10°, 120°, 40°

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Can someone check if i did this correct. it’s number 4 if you’re wondering.