C and d are going to be the answers to your question. >-< :)
The difference is -10 because
9-10= 1
-1-10= -11
-11-10= -21
common difference means you add and common ratios means you multiply.
hope this helps!
She can only but 14 movies because 18.50÷1.25= 14.8 and then 1.25×14=17.5
Answer:
c.6.8
Step-by-step explanation:
yan po sana maka tulong
