can someone help me?
the answers are:
a) 68.9
b) 86
c) 97

Answer:
The answer A
Step-by-step explanation:
However, there are some schools that consider a C the lowest passing grade, so the general standard is that anything below a 60% or 70% is failing, depending on the grading scale. In college and universities, a D is considered to be an unsatisfactory passing grade.