What is the recursive formula for this geometric sequence?
-3, -21, -147, -1029, ...

What is the value of f(x) = 2.2 for f(-2)?

52 cm radius = diameter = area = circumference = circumfer

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.