12*$.73=$8.76-$7.68=$1.08 So it is $1.08 cheaper to buy it by the case.
Hope that helps.
Answer:
(
10
,
0
)
,
(
−
1
,
0
)
Step-by-step explanation:
becasue
Check the picture below.
we know the area is 1586, so

Step-by-step explanation:

here ( + ) × ( - ) = ( - )



