Reduce the following fraction: -36x^4y^4z^5/-12x^6y^3z

a. -3x^2yz^4
b. 3yz^4/1x^2
c. -9yz^5/-3x^2
d. 36yz^5/12x^2

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.