A(squared)+B(squared)=C(squared)
Answer:
30 square inch
Step-by-step explanation:

Answer:
2
Step-by-step explanation:
the mode is the one that appears the most, most common one
There might be a variety of averages for the 12 boys.
The error of percentage is the amount of error over the original amount.
In this case it is 22/95 (not 22 over 77 because 77 is not the original amount they expected to sell.
22/95 = .2315 or 23.2% to the nearest tenth of a percent
Perhaps your teacher just wants 23% as an the approximate error.