Please help!! What is the experimental probability of drawing a red marble, given the following results?

blue: 8
green: 5
red: 7

a. 7/13
b. 13/20
c. 7/20
d. 7/8

C

Step-by-step explanation: You want to add up all the marbles, and then take the red marbles and divide by all the marbles 7/20

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.