Pet ramps for loading larger dogs into vehicles usually have slopes between 2/5 and 1/2. What is the range of angle measures that most pet ramps make with a horizontal line? Round to the nearest degree.

Abit confused about what you mean, but i think you might be referring to slope intercept form: y = mx + bin that case b, or the y intercept is already given.(0,-1)find the slope by using the formulay2 - y1/x2 - x1the final slope will be 4/2, equivalent to 2.now your equation should look like thisy = 4/2x -1sorry if this didn’t you out!