You are studying the relationship between playing video games and how much children enjoy reading books. Which research method would be most effective at helping you identify whether there is a causal relationship between these two variables?

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step-by-step explanatio89

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

see below

step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right

combine all like terms then its just a 2 step equation