Answer:
3
Step-by-step explanation:
Using listing:
No other factors are possible.
Hence, 1, 3, 7 and 21 are factors of 21.
Answer:
-0.25
Step-by-step explanation:
1-3= -2
9-2= 8
-2/8= -0.25
What are the following questions because they aren’t there
There will be excactly 400 fiction books. The ratio of fiction to all is 4 to 9, or 4 to 900.