The shirts are 12.75 for 3 so we can write a ratio of

To get the price of the shirts, one needs to divide

, which will tells use what the unit price is per shirt. The price per shirt is $4.25
There is 10,000 possible combinations for the numbers 0-9
Answer:
The alternative hypothesis is
.
The critical value is 
Step-by-step explanation:
It is claimed that proportion in favor of proportion A is greater than 60%.
This means that at the null hypothesis, we test if the proportion is of at most 60%, that is:

At the alternative hypothesis, we test if the proportion is more than 60%, that is:

What is (are) the critical value?
The critical value is the value of Z with a p-value 1 subtracted by the standard significance level of 0.05, since we are testing if the mean is more than a value, so, looking at the z-table, 
Answer:
<h2> d.) 11.2 square feet per year</h2>
Step-by-step explanation:
The difference in sizes:
2169 - 2057 = 112 square feet
It is 10 years from 2000 to 2010
112:10 = 11.2
You answer is 6a minus 4b+11