Answer:
A=616cm²
Step-by-step explanation:
The question says to use

for pi, now that we know that we proceed like normal and do the formula like this.

The outlier is 20
it affect the mean because
1)32 +40+34+ 31 +20+ 36 +40+31=264
2) 264 divided by 8= 33
so it gives you an odd number
At the end of the 6 months the balance would be 360.54
290
hopefully i could help ;)
Try this option:
- true;
- not true;
- true;
- true;
- not true.