Here, this website explains it perfectly
Step-by-step explanation:
https://www.k5learning.com/blog/subtracting-positive-and-negative-numbers
7. -20
10 3
6 3
Subtract each remember 4-- -6= 10
P (A and B) = P(A) * P(B)...answer is D
It is 28 i think been 3 year since i did this
The answer would be 280 because 28x10 is 280
