Which expression represents a rational number? StartFraction 5 Over 9 EndFraction + StartRoot 18 EndRoot Pi + StartRoot 16 EndRoot StartFraction 2 Over 7 EndFraction + StartRoot 121 EndRoot StartFraction 3 Over 10 EndFraction + StartRoot 11 EndRoot

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

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no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent