Answer:
the answer is C.815+(-97)
Step-by-step explanation:
Answer:
69.08 yd
Step-by-step explanation:
So to find the mean you add them all together and divide by the number of numbers there is so 11+15+19+17+23+20+17+18+21=174 and there are 10 numbers so it would be 174/10 which is 17.4 so you answer is 17.4
Answer:

Step-by-step explanation:
Solution is below as well as graph for proof