What is the value of x?
4/5x-8=12

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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.

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81