Answer:each box cost =$3
Step-by-step explanation:
Amount of money Ms Hart has to spent on costume boxes=$40
Amount gotten as change after purchase=$4
Amount actually used up buying costume boxes =$40-$4=36
Since she bought 12 boxes , each box cost =$36/ 12=$3
30^2= 30×30=900 so 30^2 is the answer
I believe the answer you are looking for is 2.
Yes
if you had less than 2, the lines wouldn't cross each other and wouldn't form a triangle
We have that
using a graph tool
see the attached figure
the answer is the first option
y<=3x
y>-2x-1