This equation shows how a sapling's height depends on its age. h = 3a The variable A represents the age of the sapling in years, and the variable h represents the height of the sapling in inches. How old was the sapling when it was 18 inches tall? blank years

Judy works at a candy factory that makes sugar rush candy bars. she is in charge of quality control and has to make sure each candy bar has the correct mass. each candy bar is required to weigh 12 grams, with a tolerance of 0.45 grams. what is the acceptable weight range for each candy bar? 1. define a variable for this situation.2. write the absolute value inequality that describes the acceptable weight range for each candy bar. 3.using words, describe the possible acceptable weight range for each candy bar.