can someone please help me out with this? i would ask for help with more questions but i would feel wrong for spamming and asking for help with every problem.

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

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

What is the solution of the systems of equations? y=2/3x+3 x=-2