Answer:
7x+21y=5439
x+y=305
Step-by-step explanation:
it's pretty self explanatory, right?
Answer:
I think-
1. 11
2. 0.7
3. 67.89
4. 13
Step-by-step explanation:
I'm not 100% sure tho
Answer:It would be positive 44
Step-by-step explanation:
Then it would be 10-5 < 7
so if you solved it it would be 5 < 7
So this statement is true