The data consists of 25 observations - this is just how many people were involved in the study. (count the rows, excluding the header)
As for number of variables, that depends on the aim of the study. More likely than not, I suspect the name of each person involved is irrelevant, which leaves 7 variables. (count the columns, excluding the first)
Answer:
(7y + 4) • (5y + 9)
Step-by-step explanation:
Answer:
y ≤ 0
Step-by-step explanation:
The circle isn't shaded in so the value is less than and y
cause below the line (or 0,0) the graph is shaded
Answer:
it's the third one cause its square root so x can never be less then 0 but it can go in infinitely
Answer:
$2.50 for quarters
$0.60
$3.10 hope this helps
Step-by-step explanation: