Bob raked 30 bags of leaves in 3 hours. If he raked the same leaves did he rake per hour

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?