Find the common ratio of the sequence. 3,-9,27,-81

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .