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Step-by-step explanation: An RGB keyboard allows the user to customize the color because A computer keyboard with backlit keys that can change colors in a variety of patterns. Although a single color in various intensities can be chosen, the color patterns are strictly for a visual effect

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80