Answer:
The missing number on the given data set is 12.
Step-by-step explanation:
Here, the set of data = 18,16_,9,12,23
Let us assume the missing number in the data = m
The mean of the data = 15
Total number of observations = 6
Now, Sum of the data = 18 + 16 + m + 9+ 12+ 23 = 78 + m
Also, 
or, m = 12
Hence, the missing number on the given data set is 12.
72 degrees
(well it says answers need to be 20 words long.. So I wrote this)
Since there are three variables and three constants you add like terms.
3(x+15) = 3x + 40
<h3>
Answer: 4 square inches</h3>
Explanation:
Square the linear scale factor to get 5^2 = 25
This means that,
new area = 25*(old area)
We take this idea in reverse to find the old area
old area = (new area)/25
old area = (100 sq inches)/25
old area = 4 square inches
Given:
The functions are
To find:
The functions 
and 
.
Solution:
We know that,
And,
Therefore, the required functions are
and .
