Answer:
2, 3/4 and 1
Step-by-step explanation:
Given:

Sol:
Area of picture is:

If the cost $10 per square inch then price of 15 square inch is:

If the quadruple of dimension that mean:

So area is:

So price is:
Answer:
Slope
Step-by-step explanation:
The point of slope is that it is the same the entire length of the line.
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:
D. $845.00
Step-by-step explanation:
$13 per hour x 65 hrs total = $845 before taxes and deduction.