the answer is cancer is often named according to what body type it affects
A, because Antoine came to a conclusion that it must have rained based on his visuals.
151.9j
Explanation:
PE=1/2kx^2
PE=1/2(980)(.50)= 245j
PE=(1/2)(980)(.81)= 396.9j
396.9- 245= 151.9j
