Question
1-9n=-80
Answer
1-9n=80
-9n=-80-1
-9n=-81
n=9
Answer n=9
S refers to side so it’s 64 = 8x8
Answer:
y=3/4x+2
Step-by-step explanation:
2 is the y intercept.
Go up 3 right 4 to reach a even point.
Answer:
40320 ways
<em></em>
Step-by-step explanation:
Given
Paintings = 8
Required
Determine the number of arrangements
From the question, we understand that the order of arrangement matters;
This implies permutation and is calculated as thus;

In this case,
, because all paintings are hung;
Substitute 8 for n and r, respectively

Evaluate the denominator



<em>Hence, the number of arrangement is 40320 ways</em>