If BC=9x-4 and XY=5x-5 what is the length of XY

In a gallup poll, 750 randomly selected adults were asked whether they are in favor of the death penalty for a person convicted of murder, and 75% of them said that they were in favor. construct and interpret a 99% confidence interval of the percentage of all adults who are in favor of this death penalty. round to 2 decimals.

What is the area of the figure shown below, which is not drawn to scale

Which of the following is the correct solution to the linear inequality shown below y< 1/2x-4