4x+1 find domain and range use both inequalities and interval notation​

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?