Answer:
7.719km
Step-by-step explanation:
10 - 2.281 is 7.719
Answer:
reflection
Step-by-step explanation:
|x|=3, |-x|=3, -|x|=-3. You can check each of the options one by one. First notice that the absolute value of some number can never be negative, so eliminate b, d and f. |-3|=3. |-(-3)|=|3|=3. -|3|=-3. So these three solutions are all correct answers.