A round trip is twice the distance herein;
So, (280*2) feet
=560 feet
Answer:
Step-by-step explanation:
Since population std deviation is not known, we use t critical value for testing of hypothesis.
a) 90% conf level when n =28
df = 27, t critical = 1.706
b) 95% 28
df =27 and t critical = 2.052
c) 90% and 15
df =14 and t critical = 1.761
d) 95% and n =15
df =14: t critical = 2.145
To find missing lengths of sides
hope this helped have a nice day
The correct answer is <span>C:Greater hours worked, fewer hours spent talking on the phone.
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Answer:
x^2 + 18x + 81
Step-by-step explanation:
(x+9) (x+9)
then distributive property
