Asystem of linear equations that has no solution is a set of equations is it inconsistent or consistent

Which number produces a rationale number when multiplied by 1/5

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?