I think the answer is b. cos(pi theta)= -0.6
Answer:
7r^2-64r+64
49r-64r+64
-15r+64
Step-by-step explanation:
Answer
2336.5719? more
Step-by-step explanation:
17407*0.09= 1566.63
17407+1566.63=17973.63
17973.63*0.13= 2336.5719
2336.5719+17973.63=20310.2019
20310.2019-17973.63=2336.5719
Answer: B. 

Step-by-step explanation:
Let
be the proportion of all U.S. adults that smoked in 1995. Let
denote the proportion of all U.S. adults that smoked in 2000.
Objective for the study : Whether the proportion of U.S. adults that smoke declined during the 5-year period between the samples.
i.e. 
Alternative hypothesis
is the statement containing population parameter that shows there is significant difference between the groups being tested.
⇒ 
Null hypothesis
is the statement containing population parameter that shows there is no significant difference between the groups being tested.
⇒ 
Hence, The hypotheses to test in this problem are


Hence, the correct answer is B. 

Answer:
The answer is 0.
Step-by-step explanation:
HOPE THIS HELPS!!!