Answer: -5x+y=6
Step-by-step explanation:
Given
Points on line 
The standard form of an equation is 
Using the two-point form of a line

If that is what it looks like it is, 12 divided by -6 is -2, the a's cancel out, the y's cancel out, and you're left with -2b. I'm not sure what else this could be.
Answer:
communicative property
Step-by-step explanation:
Answer: 10 : 9
Step-by-step explanation:
GIVEN
20 girls tried out
18 boys tried out
----------------------------------------------
The final ratio should be girl to boy
girl to boy
=20 : 18
=10 : 9 ⇔ divide 2 on both sides (simplify the ratio)
Hope this helps!! :)
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Answer:
40 t-shirts
Step-by-step explanation: