Answer:
9 birds
Explanation:
f is finches, h is herons, w is warblers, t is total
f+h+w=t
All but 6 means subtracted from the total
f=t-6
h=t-6
w=t-6
Adding the three equations gets 3t-18 and plug that back in and isolate
t=3t-18
t= 9
The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"
<h3>What is a data frame?</h3>
A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.
In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.
<h3>The executable code in R Studio.</h3>
In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:
- unite(customers, "phone_number", area_code, phone_num, sep="-"
Read more on data frame here: brainly.com/question/25558534
Decomposers eat dead animals, like bacteria feeding on a deer. They also support plant life by breaking down animals, which makes the soil rich in nutrients.
Answer:
lactose-free, vegan, or ovo-vegetarian
Answer:
“we have before us many, many long months of struggle and suffering”
“we have before us a deal of the most grievous kind”
“victory at all costs, victory in spite of terror...”