In this case X would equal 23.4458.
-I hope this is the answer you are looking for, feel free to post your questions here on brainly in the future.
If the metal strip goes around the bench, then we are looking for the perimeter.
P = 2L + 2W
P = 2(9) + 2(4)
P = 18 + 8
P = 26 feet
Then, we know that the stripping costs $5 per foot, and we need 26 feet of the stripping.
26 x 5 = 130
Total cost = $130
Hope this helps!
The correct answer is:
D) Jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
