18 is the answer im pretty sure if its wrong im sorry
“Line graphs are useful in that they show data variables and trends very clearly and can help to make predictions about the results of data not yet recorded. They can also be used to display several dependent variables against one independent variable.”
“With a line graph, it is fairly easy to make predictions because line graphs show changes over a period of time. You can look at past performance in a line graph and make a prediction about future performance.”
Answer:
8cm
Step-by-step explanation:
Are you trying to add together everything she made in a span of time? If so:
22 + 55 + 38 + 25 = 140
