a flat figure with 4 equal straight sides and four right angles
Answer:

Step-by-step explanation:
We remove the bracket and rearrange the numbers to add them. Only similar variables can be added together.

Answer:
the number of hours does sidney skate in all is 9.8 hours
Step-by-step explanation:
The computation of the number of hours does sidney skate in all is as follows:
= Last month + this month

= 9.8 hours
Hence, the number of hours does sidney skate in all is 9.8 hours
Answer:
Stat, non, non, stat
Step-by-step explanation:
Only answers with numbers as answers are statistical.
Answer:
17.3
Step-by-step explanation:
50 - 32.7 = 17.3