The answer is B. because (4-10) equals -6 and (4-4) equals 0. -6 times 0 is 0.
Answer:
average mean not sure please
I'm not entirely sure but it should be (3/5) together. For pen the probability is (5/20) and for crayon is (12/20) add them equals (12/20) simply equals (3/5) HOPE IT HELPS
X = 72 and it's a scalene triangle