If, F(x)=2x/7 +4, witch of the following is the inverse

Do 12/14 and 8/10 have the same value? explain your answer.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?