Answer:
b. using a sample of size 40
Step-by-step explanation:
edg 2020
5 gigabytes
30+4.50x=52.50 (equation)
-30 -30
4.50x=52.50
/4.50 /4.50
x= 5
no no
nah nahnah nahnah nahnah nahnah nahnah nahnah nah