Answer:
the answer is 28 if you multiply if not 30
Answer:
36 I think, also to fintd the are of an object you count how many shapes its in the object:).
Answer:
The decision made by the researcher based on this information is to reject the null hypothesis.
Step-by-step explanation:
Two-tailed hypothesis test:
Critical value: 
Test statistic: z
If
, we do not reject the null hypothesis.
If
, we reject the null hypothesis.
In this question:

Since
, we reject the null hypothesis.
The decision made by the researcher based on this information is to reject the null hypothesis.
I might be wrong cause I don’t removed this from 4 years ago but it should be 36.4 also plz mark brainlyiest