John reads an equal number of pages of a book every week. the graph below shows the number of pages of the book left to read, y, after x weeks:
which equation best models the relationship between x and y?
y = −5x + 25
y = −25x + 125
y = −25x + 175
y = −5x + 125

Need on this one asap im almost done with this subject

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12