It means the speed (velocity) was constant - the object traveled the same distance per time period throughout the graph.
Answer:
I didn't understand your question
Answer:
"Donna loaned $30 to her brother. He then paid her back $30 the next day" is the correct situation
I think your answer would be 4,000
Your set the equation equal to 0 and you start factoring it, if it doesn’t factor out then you use the quadratic formula but if you do that then set it equal to “X”, not equal to 0