Answer:
Step-by-step explanation:
From the table we can see that
<u>The rate of change is (slope)</u>
<u>Zero point (y-intercept) considering same rate is </u>
<u>The rule for the total cost is:</u>
Correct option is C
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
Answer:
67
Step-by-step explanation:
First multiply, then do addition and subtraction in order from left to right
Answer:
The length of the base of the rectangle is 7 inches
Step-by-step explanation:
The Area of the rectangle can be found out by multiplying length with the breadth
Area= length * breadth
35 squared inches= x *5
5x= 35
x= 35/5
x= 7inches
Hence the length of the base of the rectangle is 7 inches.
If the area and one side are known then we can simply find the 2nd side by simply substituting x in its place and solving the equation.
13. 5
12. 25%
16. 0.40
17. 75
20. 33 1/3%
21. 7.5
22. 87.5%
23. $200
15. 0.98 or 98%
We hope this helps.