The answer is C), 834, 834.19, 834.2, 834.29
I know this is late, but I hope it was helpful!
there is an equation for straight lines which goes
y-y,=m(x-x,)
where( x, , y, ) is any coordinate on the line and m is the gradient
so your answer is
y-7= -2(x-4)
does this make sense?
968-720=248
248 more Royal Purple smoothies can be made than Orange Tango with the shipment of juices.