I have to drag to whichever one is right. Please look at the image. (this question is on khan academy)

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.