8r - rs when r =6 and s= 5

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy