Answer:
The GPA you earn in a particular semester is your Marginal GPA, and your cumalative GPA for all completed semesters is your average GPA.
Step-by-step explanation:
Here are a few rules you need to know for this equation:
- Multiplying exponents of the same base:

- Dividing exponents of the same base:

- Turning a negative exponent to a positive one:

So this is our algebraic expression: 
Firstly, multiply 3^-4 and 3^2: 
Next, divide:

Next, turn the negative exponent into a positive one: 
<u>Your final answer is 3/2, or 1.5.</u>
Answer:
12-8x
Step-by-step explanation:
18-2x(4+3) =
18 -8x -6 =
12 -8x