Solve the equation for the red variable

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.

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.