Answer:
9
Step-by-step explanation:
18÷2=9
So, Ann could have 9 rows of posters with 2 posters in each row.
Answer:

Step-by-step explanation:
Let
x----> that month's sales
y----> October earnings
we know that

-----> equation A
-----> equation B
Equate equation A and equation B and solve for x




I think K=1.123
you have to find by how much it's increasing, think of 6(1/2) times WHAT equals 7(1/3)
6(1/2)a=7(1/3)
a=1.123
That means each side will be the same times 1.123
x=4.492
you can round that to 4.49 or 4.5 or 5
Answer:
(1, -5) or x=1, y=-5
Step-by-step explanation:
Hope this helps!
Answer:
10
Step-by-step explanation: