to earn a bonus in a video game, you must find at least 60 % of the hidden gems. You find 25 out of 40 gems . Do you get the bonus? explain

c.35

step-by-step explanation:

8+13=21

21+8=29

29+6=35

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

i believe the answer is the polygon, heptagon.