Which system of equations has the same solution as the system below?

Let the mean of the population be 38 instances of from 6" - 9" hatchings per nest, and let the standard deviation of the mean be 3. what sample mean would have a confidence level of 95% or a 2.5% margin of error?

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Find the value of x for which line a is parallel to line b