Andrew knows that exactly two of the equations $x(3+4)=4(x+3),$ $4x+5=3(x+2),$ and $(x+2)+5(x-1)=3(x+3)$ are true. What is the value of $x?$

How do you answer this question? (step by step)

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?

What is a rational number between 9.5 and 9.7