There are 16 types of flowers used to decorate for a party. twelve of the flowers types last an average of 4 days before they wilt. the remaining flowers last an average of 6 days.

what is the average number of days before the flowers wilt?

asap so :

What is the slope of the line that contains the points (-2,1) and (0,-3)

Yo need asap pls ! markin da brainiest too !

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b