A sapling tree is 30 inches tall when it is planted. It will grow 2 inches each year. Write a function that shows the relationship between the age of the tree in years (x) and the height (y).

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Sole the equation 6n + 9 = -3n - 21 - 6 for n