What are all the subsets of the set? {-8,4} a. ø, {-8}, {4} b. {-8}, {4}, {-8, 4} c. {-8}, {4} d. ø, {-8}, {4}, {-8, 4}

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

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?

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have