In a certain card game for every 4 blue cards they are 3 yellow cards. there are a total of 84 blue and yellow cards in the game. how many blue cards are in the game ?

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)