Question

Hi can someone please answer this question? Thank you :)

Answer 1

1.4 million households per year

Explanation:

We have two points so we can use the slope formula

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

= ( 63 -42)/(2014-1999)

21/15

7/5

The units are millions of households/ years

The answer is to be in decimal form

1.4 million households per year