True or False
If an acute angle is 80o then we add the obtuse angle of 110o to equal 180o?

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

Math i have no idea how to do a and b

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year