1 is B.
I’m not sure what 2 is.
3 is A.
4 is B.
Answer:

Step-by-step explanation:
Tip: When
,
is also true.
| <em>Original equation</em>
| <em>Use tip</em>
Answer:
j=76 and k=65
Step-by-step explanation:

Answer:
B
Step-by-step explanation:
Answer:
0.09
Step-by-step explanation:
Divide 1.25 by 5 which is 0.25, and 2.04 by 6 which is 0.34
Then subtract the answers 0.34-0.25=0.09