Answer:

Step-by-step explanation:
we know that
The exponential decay function that represent the depreciated value of the car is given by

where
y is the depreciated value of the car
t is the number of years since 2008
What is the approximate value of the car in 2012?
Find the value of t

substitute in the equation

I need $100 for my game console I want. I already have $40 and I get $10 every week for doing chores.
Answer:
20
Step-by-step explanation:
4x + 3y = 5
We want to find 4(4x + 3y)
Replace (4x + 3y) in the expression with 5
4(5)
20
Answer:
2q+5=s
Step-by-step explanation:
You wouldn't subtract the 5 extra credit, you would add it
Y - y1 = m(x - x1)
y + 7 = (-1/8)(x - 9)
y + 7 = (-1/8)x + 1.125
Subtract 7 from both sides
y = -1/8x - 5.875