Determine for which values of m the function variant phi left parenthesis x right parenthesis equals x superscript mϕ(x)=xm is a solution to the given equation.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight