Answer:
7.2+0.8w
Step-by-step explanation:
Add the constants to get 7.2
sub variables to get 0.8w
Answer:
32
Step-by-step explanation:
32 = 4 + 1 + 27
Answer:
40
Step-by-step explanation:
If you look at the ratios you can see the pattern of the first number being multiplied by 4 everytime. Therefore you must multiply 10 by 4.
Answer:

Step-by-step explanation:
We are asked to find 2/3 of 18.
To find 2/3 of 18, we will multiply both quantities as:



Therefore, 2/3 of 18 is equal to 12.
Answer:
<h2>69.5</h2>
Step-by-step explanation:
Given the confidence interval of the heights of american heights given as (65.3,73.7);
Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7
Sample mean will be the average of both confidence interval . This is expressed mathematically as 

Hence, the sample mean is 69.5