Consider rolling three dice: (think, will the first roll affect the next rolls?) ( give decimal to thousandth ) P ( rolling 3 on all die)

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Aubrey read 29 books and eli read 52 books what number equals to the number of books aubrey read