Answer:
-3
Step-by-step explanation:
The rate of change is equal to the slope. In this slope intercept form (y=mx+b) m is the slope. Therefore m=-3 and that is the rate of change.
Answer:
This is the best solution for your question
Answer: A. 40%
Step-by-step explanation:
to find the percentage decrease, first you have to subtract $6,300 from $10,500, which equals $4,200. This is the amount decreased from the price of the car. Then, to find the percentage that $4,200 is to $10,500, you have to divide 4,200 by 10,500. This should give you 0.4, the percentage is this number multiplied by 100. This should give you the number 40, which means that the percentage decrease of the price of the car; 40%.
I'm assuming ya want us to simplify 
reemember some exponential rules


so




Answer:
5
Step-by-step explanation:
this will endure the bitextular number course and follow the index pattern once you do that follow the question to get 5