Three planes intersect in: a. a plane b. a line segment c. a point

q1 a person or thing situated away or detached from the main body or system. a cluster is a a mash of many things.

q2 do

step-by-step explanation:

c

step-by-step explanation:

i think because what else can be a sample of every member

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

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step-by-step explanation:

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