There is no picture for me to check
we can use formula

now, we can find a and b
Initially , price is 500
so,
At 


now, we can plug back

At 
we can use it and find b

now, we can solve for b
and we get

so,
annual depreciation rate is 27.144%.......Answer
Answer:
X= -3,-5
Step-by-step explanation:
Answer:
D, infinitely many solutions
Step-by-step explanation:
1. multiply out
5(x-3) = 5x-15
2. combine like terms
5x-15-3x=8x-15-6x = 2x-15=2x-15
they are equal so there are infinite solutions.