Answer:
7.
A.) -⅔
B.) 3/-2
Step-by-step explanation:
from 1 to -1 you have to go down 2
from 2 to -1 you have to go down 3
therefore your slope is -⅔
from 3 to 6 you go up by 3
from 1 to -1 you go down by 2
therefore your slope is 3/-2
this picture will explain you
the answer is 10
You subtract the % that the sale is and take it away from 100%. You get 75% then take the original price and divide it by .75