To make an equation into slope intercept form, Y must have no coefficient.
So to solve
B is the answer. Think of a clock, one hand at 12 and one hands at 3 is 90 degrees. That is a little less than 90 degrees so it's approximately 60 degrees.
The equation that can be used to find the length of the ramp is <span>
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+
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Since 25% is 1/4, then 180 times 4 is 720.
720 is your answer.