Answer:
answer is 17.5
Step-by-step explanation:
use formula a^2 + b^2 = c^2 (letters represent each side of the triangle)
9^2 + 15^2 = 306
306 = x^2. find the square root of 306 to find x
√306 = 17.4928557
rounded it to the nearest 10th
17.5
6 to 40
add all of the marbles which will give you the total
41.61
Just divide.
A. I believe I hope its correct I'm sorry if its wrong:( I tried.
