Answer:

Step-by-step explanation:
Given
-- initial area
-- rate
--- (years)
Required
Represent as an exponential function
An exponential function has the form:

Where

and 

Substitute values for a and b, we have:

Convert percentage to decimal


Hence, the exponential function that represents the scenario is: 
Answer:
10 times
Step-by-step explanation:
the 6 in 65 equals 60
Answer:
First one, second one, fourth one, and last one
Step-by-step explanation:
None of the above because (t+r) is just getting rid of the numbers which you can't do and I don't know where 4 even came from in b!
Answer:
5/6
Step-by-step explanation:
There is a 1 out of 2 chance that you will roll tails, so the probability is 1/2.
A number less than three is a 2 and 1, so the probability is 2/6.
Add 1/2 + 2/6. (Change 1/2 to 3/6 so you can add.)
3/6 + 2/6 = 5/6
<em>I hope this is correct and helps you! </em>