First of all, we need to know what a function is.
A function is a binary relation between two sets that
Answer:
(D) Although cause-and-effect cannot be established, there is an association between stress and the presence of heart arrhythmias for the population of all women aged 30 to 50.
Step-by-step explanation:
Answer:
The last graph.
Step-by-step explanation:
The first thing we look for is the y-intercept at -2. The only graphs where the line passes through the y-intercept at this point are the first and the last.
The slope of the line we want is -2/3. This means the line decreases; the first graph increases, not decreases, so it must be the fourth one..
Checking the fourth graph, from the y-intercept, we go down 2 and over 3 to find the next point; this means the slope is -2/3 and this is the correct line.
Answer:

Step-by-step explanation:
Standard form of polynomial 





Answer:
G.) 23 meters
Step-by-step explanation:
makeing it into a proportion would be the easiest -
9/x = 21/54
21x = 486
/21 /21
x = 23.14
rounded out would be x = 23 meters
hope this helps!!