Find the missing length

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36

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.