Answer:
B is the answer.
Step-by-step explanation:
Use power rule: (x^a)^b = x^ab.

I believe the answer is B
17/22 sorry if it’s not the answer
The first thing we must do for this case is to define variables.
We have then:
x = Multiple-choice questions
y = short-answer questions
We write the following system of equations:
2x + 4y = 80
x + y = 25
Solving the system of equations we have:
x = 10
y = 15
Answer:
there are 10 multiple-choice questions