A car completes a journey at an average speed of 40 km/h. At what speed must it travel on the return journey if the average speed for the
complete journey (out and back) is 60 km/h?

Find the missing part. use an improper fraction for your answer.

What values of data might affect the statistical measures of spread and center

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt