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.
A= a+b over 2 times height
18 + 8 = 26
26 divide by 2 = 13
13 x 6 = 78
area is 78
Answer:
Since the base is the same, we can just multiply the exponents, and when we do so we get y^6.
Answer:
98 boxes
Step-by-step explanation:
If 56 is
of the total, we can set up an equation like this:

Where T is the total number of boxes.
Solving for T gives us the answer:

There were 98 boxes in total.
Answer:
15
Step-by-step explanation: