My mom and I walked 3,600m in 90 minutes. What was our speed in m/min?
help. i'm dum.

True or false graphs must include scales that increase by the same amount

What happens to an isotope during radioactive decay?

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2