The table shows the times it took four runners to finish a 400 meter race.
runner k-2 minutes 5sec
runner l-1 minute 44sec
runner m-2minutes 15 sec
runner n-1 min 52 sec
which runner had the highest average speed?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Choose the more precise measurement. 26.4 cm or 8.39 cm