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The slope of a line is 1, and the y-intercept is -1. What is the equation of the line written in slope-intercept form?

y=x-1
y=1-x
y=-x-1

What is the scale factor of axyz to auvw?

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint

Afield is shaped like the figure shown