What's the answer to these to problems.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

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