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I have a 10x35ft patio that has numerous low spots, is scaling and does not drain properly due to incorrect slope. What does the Int'l Bldg Code require for slpoe per foot of width?

We are installing a 120 foot run of sewer line down a hill and aross a creek into the city sewer system. The city have provided a connection and we have installed a cast iron pipe on top of concrete pillars to go across the creek into the city connection with a 1/4" per foot slope into the sewer. ...

I am having difficulty with functions. Not understanding how to solve, how to determine the number that goes for x. here's the question, please help if you can: f(x) = 3x(2x - 1). f(-1) = 1. I don't understand why the period (.) is there. 2. I substituted -1 for x but could not come up...

okay I was given the linear equation 2x+4y=12 and I was asked to find: a.)an equation in the form y=mx+b b.)an equation of line parallel to the equation c.)a slope perpendicular to the equation d.)an equation of a line parallel & through the point (4,2) e.)an equation of a line perpendicular...