Answer:
A. 9% per hour
Step-by-step explanation:
we know that
The equation of a exponential decay function is given by

where
a is the initial value
r is the rate of decrease
we have

Convert to percentage
Multiply by 100

Answer:
47 degrees
Step-by-step explanation:
The two angles shown are "vertical angles" and thus are equal.
Thus, 2x + 3 = x + 50
Combining like terms, we get:
x = 47 degrees
I believe the answer should be C
The scale of the drawing is 10x smaller compared to the one in real life
Answer:

Step-by-step explanation:
Use the x-swap-y method to find the inverse:
