Answer:
Part A is $21 and part B is $30.21
Answer:
Common ratio: -3
Geometric sequence: an=5(-3)^n-1
Step-by-step explanation:
Each number multiplied by -3 gets the product of the next number. (5*-3= -15)
Answer:
c
Step-by-step explanation:
-2.25*3 = 6.75 decreased (since negative)
Answer:
its decreasing. .........