<h3>Given</h3>
n packages of pencils are purchased at $1.40 each
m pads of paper are purchased at $1.20 each
<h3>Find</h3>
the meaning of 1.4n
the meaning of 1.2m
the meaning of 1.4n + 1.2m
<h3>Solution</h3>
1.4n is the <em>number of dollars spent on packages of pencils</em>
1.2m is the <em>number of dollars spent on pads of paper</em>
1.4n + 1.2m is the <em>total amount spent on the supplies</em>
Answer:
anywhere from 169 to 220 metres,
Step-by-step explanation:
Answer: 235
Step-by-step explanation:
The formula to calculate the sample size :-

Given : Estimated proportion 
Margin of error : 
Significance level : 
Critical value : 
Now, the required sample size will be :-


Hence, the required minimum sample size = 235
Answer:
Answer 2
Step-by-step explanation:
1 and 3 are not linear or not straight
4 there can't be more then one value for x