Should be 18x^4-12x.
Let me know if you want more of an explanation.
If you could write out the whole problem exactly how it is, I can solve it for you.
The answer is 92,776 because 10 times as much as 70 is 700 which gives the answer for the hundreds position.
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.
