Answer:
all real numbers greater than or equal to 175
Step-by-step explanation:
C would the the correct answer since it is the only one that makes sense
No greater means equal or less. Because the problems asks about the highest score(maximum value), we are going to solve following equation:
(72+78+73+x)/ 4 = 74
(72+78+73+x)=74*4
223+x=296
x=296-223= 73
Answer is 73.