Determine which of the following lines the point (2, 1) lies on. y = 2x + 2
y = 2x - 3
y = 2x + 6
y = 2x - 6

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step-by-step explanation:

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

combine all like terms then its just a 2 step equation

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

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