[y^6(xy^2)^-3/3x^-3z]^-2

Amarathon runner jogging at a constant speed for 45 minutes is it proportional to time or not

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?