Answer:
7 blue marbles
Step-by-step explanation:
because 3:7 equals red:blue so blue = 7
Parallel lines run along side of each other, but never intersect.
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<== these are parallel lines...they never cross
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Answer:
y=1
Step-by-step explanation:
4(1+2y)=12y
4*1 + 4*2y=12y
4 + 8y=12y
4=12y - 8y
4=4y
4/4=y
1=y
Step-by-step explanation:
It is 1 then 2 then 3
Bcz 1 2 5 6 9 10 11 12 13
