Use the elimination method to solve the system of equations. choose the correct ordered pair. 4x + 8y = 16 4x - 8y = 0 a. (4, 2) b. (2, 4) c. (2, 1) d. (4, 0)

How can you decide witch operations to use to slice a two step equation

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.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score