Answer:
3
Step-by-step explanation:
The expression is
. To find the value, substitute the values x = 3 and y =-2 then follow order of operations.

Answer:
A
Step-by-step explanation:
Because the rate of change is constant so it's a function
Yes that would be correct
Answer:
8.65%
Step-by-step explanation:
We have been given that Debra earns $4740 per month. Every month she saves $410. Additionally, she has $2520 in outstanding credit cards and makes a $210 monthly payment of these cards.

Upon substituting our given values in above formula, we will get:




Therefore, Debra's approximate savings ratio is 8.65%.