Let the width be x, then length = 4x - 7
Perimeter = 2(length + width)
2(x + 4x - 7) = 46
2(5x - 7) = 46
10x - 14 = 46
10x = 60
x = 6
Therefore, width is 6 and length is 4(6) - 7 = 24 - 7 = 17
I don’t understand the question can you give more detail
Answer: 3
Step-by-step explanation:
Given : Standard deviation : 
Margin of error : 
Significance level : 
By using the standard normal table of z ,
Critical value : 
The formula we use to find the minimum sample size required :-

i.e. 
Hence, the number of lights should we select if we wish to estimate μ to within 5 seats and be 95 percent confident =3
Answer:
556
Step-by-step explanation:
Find out how much 1.4% is of 500 which is 7
so 7 x 8 = 56
now we add it 500 + 56 = 56
It might be 31 if you add all the numbers together but I'm not positive.