Answer:
the value of her medium shirts is $60 if Ella makes 100 more shirts her new value is $600
The point where the lines intersect is the point that satisfies both equations.
It is (1, 5), selection C.
Answer:

Step-by-step explanation:
Given
See attachment for graph
Required
The unit cost
Pick any point on the dots of the graph; we have:

The unit cost is then calculated as:


For an exponential distribution, the standard deviation is equal to the mean.
(a) the standard deviation is 4 miles.