The slope of the line 3x - y = 4 between x = 3 and x = 6 is 3. what is t he slope between the interval x = 12 and x = 15?

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Is the number 128.439 a rational number

What is the domain of the step function f(x)=[2x]-1?