Answer:
yes
Step-by-step explanation:
The variable is in the exponent, so this is considered to be an exponential expression. (yes)
I’m pretty sure B because 1/4 divided by 1/2 equals 1/2 and that the only one that has a model that has 1/2 but don’t take my word for it
Hi there!
To find the percent of change we can use the following formula:

Let's fill in our data

Subtract

Divide

And finally multiply

Hence, the percent of change is negative 20%.
~ Hope this helps you!
It is prime, it can't be divided by anything, but itself and one.
Not very much because things don't always happen the way we want them too