D. One reason, The others questions don't add up. Reason being, the perimeter of the garden is 4x+60, all of the other questions don't make up for that answer.
(I also can't read D, so I'm just assuming now.)
Angle b=180-angleaacb-angle a
angle b=70
3 sig figs in the final answer since the denominator has 3 sig figs. So the answer would be 4.05
Answer:
a

b

Step-by-step explanation:
From the question we are told that
The number of bootstrap samples is n = 1000
From the question we are told the confidence level is 95% , hence the level of significance is
=>
Generally the percentage of values that must be chopped off from each tail for a 95% confidence interval is mathematically evaluated as

=> 
Generally the number of the bootstrap sample that must be chopped off to produce a 95% confidence interval is

=> 
=> 