Pls ; -; which of the following correctly relates the measures og the diameter and radius of a circle? {a} d = r/2 {b} r = 2d {c} r = d/2 {d} d = 2/r

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?