In 2008, the United States had a population of approximately 3 x 108 people and Australia had a population of approximately 2 x 107 people. Which of the following is true?
OA. The population of the United States was approximately fifteen times the population of Australia
ОВ.
The population of the United States was approximately one hundred fifty times the population of Australia.
OC.
The population of Australia was approximately one hundred fifty times the population of the United States.
OD.
The population of Australia was approximately fifteen times the population of the United States.

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

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