What do scientists who do pure science do?

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Write a polynomial function with the given zeros x= -1,0,2show your work

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?