So alex is selling a very rare spice that costs $75 per gram. someone wants to buy $50 worth of the spice. how much spice (in grams) does alex give him?

can you show me how to get the answer?

Factor the monomial completely 42a3b3

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Derek purchased a new gym membership. it costs him seven dollars a month plus two dollars for every time that he visits the gym. he wants to spend less than 25 dollars a month to visit the gym. write an inequality that models the situation using the variable v for the number of visits per month. also find the maximum number of visits he can make to the gym and still keep his cost below 25 dollars a month.