Answer:
9 + 10 +x= 21
x=21-19
x=2
add 2 in left hand side to get 21
For this case we have the following numbers:

Note that
is greater than
so the inequality sign must be placed with the opening towards
.
Answer:

The range that is appropriate to use to represent the numerical data is 0.0 to 26.0.
<h3>What is a line graph?</h3>
A line graph is a graph that is used to represent numerical data. It shows the changes in the data with the passage of time. There are two axes on a line graph, the vertical axis and the horizontal axis. The range of the vertical axis should start from 0 and end at the largest number of data set.
Please find attached the diagram. To learn more about line graphs, please check: brainly.com/question/27252279
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Answer:
±
Step-by-step explanation:
±√24
±√-1 √24
±√24 i
±2√6 i