If will goes to his friends house on monday 11: 45 to 5: 21, tuesday 3: 00 to 9: 35, thursday 9: 00 to 12: 46, friday 5: 00 to 3: 45 and saturday 4.55 to 8: 44. how much time did she send at his friends house from monday to friday

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?

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale