lease use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. Consider the following (x, y) data. x -4 -3 -3 -2 -2 -1 -1 0 0 1 1 2 2 3 3 4 y 0 -2.65 2.65 -3.46 3.46 -3.87 3.87 4 -4 3.87 -3.87 3.46 -3.46 2.65 -2.65 0 (a) Calculate the correlation coefficient. Round your answer to 3 decimal places. r

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.

For a typical middle-income family, what is the estimated cost of raising a child to the age of 18? $145,500 $245,340 $304,340 $455,500