Sagot :
Answer:
C. 1x31
Step-by-step explanation:
if 7x7=49
13x1=13
21+10=31
It is C because 1x31=31, it is not D because factors are in multiplication and not in addition
Answer:
c
Step-by-step explanation:
The factors of 31 are 1, 31. It's only expressed as 31 × 1 and 1 × 31.