Anyways i litterally want to "fight" david like so bad ong

Which expression is equivalent to 2x^2+7x+4?

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?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.