The average cost of a home was $99700 in 1990 and $186400 in 2001. Write a linear function that gives the cost of a home as a function of x, the number of years since 1990

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points