Please answer ab&c

a) Calculate the median number of medals for each medal type, stating the
formula you would use for determining the median for the gold medals.

b) Calculate the mean number of medals for each of the 3 medal types, stating
the formula you would use for determining the mean for the bronze medals.

C). Using the given spreadsheet as a basis, discuss the usefulness of a standard
deviation in a given dataset. You need to cite any literature sources you use.

PLEASE HELP DUE TODAY.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

A(t)=728(1+0.04)^t how much money did aditya originally invest

He graph of f(x) = |x| is stretched by a factor of 0.3 and translated down 4 units. which statement about the domain and range of each function is correct? the range of the transformed function and the parent function are both all real numbers greater than or equal to 4. the domain of the transformed function is all real numbers and is, therefore, different from that of the parent function. the range of the transformed function is all real numbers greater than or equal to 0 and is, therefore, different from that of the parent function. the domain of the transformed function and the parent function are both all real numbers.