A nonagon has 9 equal sides, so if the length of one of them is 21, then all of them must be too. The perimeter is 189
Answer:
Thx
Step-by-step explanation:
Image processing
Answer:
60.95 or 61msquared
Step-by-step explanation:
Answer:
B. The science Students
Step-by-step explanation:
This is a simple answer. to find the average, or the mean. So you add up all of the math scores and divide it by 9, which gives you 36. Then, you add up all of the science scores and divide them by 9, which gives you about 45. So if the science students are on the bottom plot, then it is B, the science students.