Write the equation of a line that passes through the point (-3,1) and perpendicular to y = 1/2 x + 8 Tell me how to do it in geogebra you don’t have to but it would be appreciated

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

How do you find the distance of each number from the mean