Given a and b are numbers, and a+b=180, which statements also must be true

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Step-by-step explanation:

A=180-b is same as a+b=180

because you just subtract b from both sides

c

step-by-step explanation:

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

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4