Liam ran 4 times around a circular track and did 100 jumping jacks. He ran a total of 2.4 km. How long is one complete circuit
of the track (measured in meters)?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.