Chapter 1 - Section 1.5 - Addition of Real Numbers - Exercise Set - Page 65: 103

TRUE

The symbol "$\ge$" stands for "greater than or equal to." The expression, $a\ge b,$ is true if either $a$ is greater than $b$ or $a$ is equal to $b.$ The given expression, $ 19\ge-18 ,$ is a true inequality because it satisfies that $19$ is greater than $-18.$