Need only #6 done (Show work) will give brainliest

Which statement about the graph of y = 8(0.25)^2

Just tell me how to set up the equation.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.