Http://www.manythings.org/voa/history/16.html
this website may help you
A new concept that became popular with department stores was using credit cards, and buying on credit: it allowed the users t posses good they cannot afford and on the other hand gave more revenue to the shops and they could charge interest.
Charles Babbage was the inventor
Thank you for posting
your question here. Below are I think is the answer, I hope it helps. <span>
For number 1. The answer is letter C which is
"H0: p = 0.44, Ha: p 0.44"
<span>For number 2. The answer is letter A which is
greater than 0.10.</span></span>
Answer:
The chasquis(messangers) were trained to be able to read and translate the quipus to each other and higher authorities. They also transported goods at high speeds.
Explanation: