Answer:
763/100 is the answer to this
8:15 or 8 to 15 would be the ratio because you compare 8 quarters to 15 coins.
<u>Explanation:</u>
The rate is 8. It's attached to the "x". When graphed, 8 is the slope.
The y-intercept represents the initial value, or the starting amount of money in Rose's bank account.
#2 #3 and #5 I think but I could be wrong. Good luck!