Plz help this is due tomorrow and I’m really confused!!

Any question helps :) thank you

What is the value of x in the figure below? if necessary, round your answer to the nearest tenth of a unit. 12 d 4 b оа. 3.1 ов. 6.9 ос. 4 od. 12

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

What is the circumference of the pie