The diagrarn below shows two similar triangles.
B
8 mm
6 mm
A
8 mm
с
E
D
10 mm
F
What is the length of EF in Triangle
DEF
A 2.5 mm
B 6.5 mm
C 7.5 mm
D 13.3 mm

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.