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Construction: A road has a rise of 6 ft in 80 ft. What is the gradient angle of the road? Round to the nearest tenth of a degree?

A 20ft ladder leans against a building at a 65 degree angle with the ground. Will it reach a window 17 ft above the ground?

An employer has a daily payroll of $1,225 when employing some workers at $80 per day and others at $85 per day. When the number of $80 workers is increased by 50% and the number of $85 workers is decreased by 1/5, the new daily payroll is $1,540. How many were...