Answer:
The null hypothesis is 
Step-by-step explanation:
According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22
This means that at the null hypothesis, it is tested if the proportion is in fact 0.22, that is:

A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree or higher education level.
At the alternative hypothesis, it is tested if the proportion is lower than 0.22, that is:

5?
Becouse a lot can be multiplyed by 1 and can be added to 4
Answer: x=ab-c
Step-by-step explanation:
a=
+c
ab=x+c
ab-c=x
x=ab-c
0.75 or 3/4 m each.
Extra letters: cdvaysoHAHboaihscvia
Hello :
the line passes by O(0,0) : an equation is : y = mx
so : y=2x.....(<span>the equation of a line with slope m=2 and point (0,0))</span>