Write the set described below into set-builder notation: s is the set of real numbers that are less than 15 a: 0 < s < 15 b: {s | s < 15} c: {s | s < = 15} d: (s | s - 15 < s < 15}

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?