Every day, winston goes to a café to order coffee for himself and his coworkers. he can order either large or small
coffees, and chooses between regular and decaf. he also chooses from 4 different flavors. his orders for the past 3
days and total costs, not including tip, are displayed on the table below. all large coffees cost the same amount as
do all small coffees. what is the price of a large cup of coffee?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

5050 i think

step-by-step explanation:

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb