Answer:
Books Galore has the lowest unit price
Step-by-step explanation:
if you divide main streets books, 10 ÷ $5.20 = $1.92
Books galore : 6 ÷ $3.60 = $ 1.66
1st one is 9x-2
2nd is -3x -2
3rd one (put 1 instead of x in the given functions then calculate values and multiple )6
tb i think its A
y= z-3x/4
4y=z-3x
y=z-3x/4