Brady street hill is a hill on the course of the box 7, a 7-mile race that held each July in Davenport, Iowa, in conjunction with the bix Beiderbecke memorial jazz festival. Over a horizontal distance of 2006 feet, the elevation rises 120 feet. What is the percentage grade of this hill? Round to the nearest tenth of a percent.

1. 5.7% grade

2. 6.0% grade

3. 6.7% grade

4. 6.3% grade

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14