3. let a = -z as follows: for all sets x in p(a), {1,2,3,4,5} and define s: (a) if x has an even number of elements 1 s(x) if x has an odd number of elements 0 (a) find s({1,5}), and s({1,2,3,4,5}) (b) is s a function? why or why not?

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

When is g(x) = 0 for the function g(x) = 5.23x + 4?