The answer is 72 (--> second choice).
I can prove it without calculator so you believe me:

Answer:
<em>% is the decrease.</em>
<em />
Step-by-step explanation:
<em>To figure out the percentage decrease, you would first subtract the two numbers. </em>
<em />
<em />
<em />
<em />
<em>Next, you would divide that number by the total.</em>
<em />
<em />
<em />
<em />
<em />
<em />
<em />
<em />
<em />
<em />
<em />
<em>% </em><em>would be the decrease percentage. </em>
You should find the slope using (y2 - y1) / (x2 - x1) = m
m = (18 - 0) / (10 - (-1))
m= 18 / 11
Therefore the slope is 18/11
Answer:
23,760.
Step-by-step explanation:
Multiply the monthly salary x 12 since there are 12 months
Answer:
Her pin must be 1147
Step-by-step explanation:
A little trick I have up my sleeve when I have these kind of questions is that I find the square root of each number, then find what is prime.

Since the only prime numbers in the range of 31 and 38 is 31 and 37.
We can then multiply 31 by 37 to get 1147.