Answer:

Step-by-step explanation:
Given

per CD
<u>Expenses</u>

per CD
Required
The profit (p)
First, calculate the total income on n CDs



Next, the expenses on n CDs



The profit (p) is:


Open bracket

Collect like terms


1.63636363636363636363636363636.........
Answer:
6x+10
Step-by-step explanation:
2x×2(2x+5)
2x+4x+10
6x+10
Answer:
Mean: 21
Median: 23
Mode: 27
Step-by-step explanation:
order from least to greatest:
1, 15, 18, 22, 23, 25, 27, 27, 31
mean: add all the numbers and divide by 9 bc thats how many numbers there are so that means the answer is
21
Median: to find the median you order the numbers from least to greatest and find out the middle number so in that case the median is 23
Mode: to find the mode you look to see what number is repeated multiple times, so the mode is 27