Its slope is -3 so we got
y=-3x+b
and the graph passes through (1,1)
so we got b=4
the equation is y=-3x+4
Hope this will help
Answer:
6
Step-by-step explanation:

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There is a 8oz difference, and a $4.20 difference, causing store 1 to be the better deal
Right isosceles triangle <3
Its a right triangle, and the two sides are equal so its isosceles
Use the equation of -b/2a, so if you have a line you can just plug in the numbers.