Answer:
B
Step-by-step explanation:
The chances of the first student walking to school is 7/30.
Without replacement, there are 29 students left. Hence the chance of the second student walking to school is 6/29 of the original 7/30 chance.

I just met a friend for the first year old man who
The product of A and B is:

Therefore the answer is the third choice.
Answer:
42
Step-by-step explanation:
In a rectangle, the diagonals have the same length. Therefore:

Hope this helps!
12
6 possible outcomes for each side of the coin