4x=12. Divide by 4 so x=3
Answer:
C. $5 per bag
Step-by-step explanation:
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The ratios are both identical
sin x = perpendicular/hypotenuse = 3/5
cosy = base/hypotenuse = 3/5
Answer:

Step-by-step explanation:

The variable of interest would be whether or not their eyes were affected.
Variables of interest are like independent variables, they are the variable that you are testing for change.