Your answer is c hope i helped
Answer:
8
Step-by-step explanation:
The other sides are the same and 30/15 is 2, so 120/15 is 8, so they are all equivalent, so 2*15=30 and its the same for b, 8*15=120
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To solve this for an equation that you can graph, you need to isolate the y variable. In order to do this, follow the order of operations for solving equation to get the equation.
2y^2 = x + 4 ----> divide both sides by 2
y^2 =
----> take the square root of both sides
y = 
Now you have the equation solved for the y variable and can graph it.