A pine is 35 and one half feet tall, and grows 3 and one half feet each year. A redwood is 43 feet tall, and grows 3 and one half feet each year. How tall will each tree be after 21 years?

He letter p on the number line below represents the number . (use the hyphen for negative numbers and write answer as a decimal, such as –7.2) number line from negative 7 to positive 7 in increments of 0.5 is shown. only the whole numbers are labeled. a point labeled p is placed at the eleventh tick mark to the left of 0.