Answer:
b) 42,610
Step-by-step explanation:
46089 - 3479 = 42610
3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
21= 1,3,7,21
30= 1,2,3,5,6,10,15,30
common factors= 1,3
Answer:
-2
Step-by-step explanation: