You have a mortgage payment of $1,248.90/month. using proportions, what is the minimum you must have in realized income per month to keep your housing expense in the acceptable range?

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.

Opposite angles in a parrellelogram are

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?