The table shows the profit from a school book fair based on the number of books sold. What is the rate of change for the function represented in the table?

$0.50 per book
$0.67 per book
$1.07 per book
$1.50 per book

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Azul has 4 green picks and no orange picks.you add orange picks so that there are 2 orange picks for every 1 green pick.how many picks are there now.

Multiply sixth of sixty six by a half of ten show step by step method