In order to fit only 2 recorders in each box, the teacher will need a total of 12 boxes. She will need 8 more boxes than the amount she currently has.
Answer: B) Convenience Sample
Step-by-step explanation:
A convenience sample is used when pilot testing is to be done. In this case, the accounting professor wishes to know who would take a elective. Since this involves taking sample from part of population that is near at hand and can be easily taken. So it is a convenience sample.
Answer: I really don't know how to do this sorry
Step-by-step explanation:
Answer: 
for number 7
Step-by-step explanation:
a²+b²=c²
3²+8²=c²
9+64=c²
