Add them all up and then divide by the number of quizzes
Answer:
11.
5x=3x+28
5x=3x+282x=28
5x=3x+282x=28x=14
12. Image
Step-by-step explanation:
<u>Please give brainliest if I helped! :)</u>
It actually depends on a.
A might be rational.
D on edg