I need help with this... anyone ? See picture

Question 9
1 pts
Find the area of the regular octagon (8 sides) with apothem = 9.
O 195.6
O 1564.4
0 33.6
0 268.4

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

What is the value of x in the diagram below?

What percent of the circle below is shaded?