C maybe she wanted to keep them safe
The slope formula is y = mx + b, where m is the slope and b is the y-intercept. So, the answer to this question would be -3.
The tool that would be most useful to him would be a seismometer. It is an<span> instrument that measure motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions. Hope this answers the question. Have a nice day. </span>
