John spent half of his weekly allowance at the batting cages. to earn more money his parents let him vacuum the house for $6. what is his weekly allowance if he ended up with $20?

What fraction of one year is 8 months

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- 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. 3- 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 part b?