Which statement about vertical angles is false?
a. they are formed by two intersecting lines
b. they share a common vertex
c. they share a common side
d. they are congruent

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

Match the one-to-one functions with the graphs of their inverse functions.

Kelli swam upstream for some distance in a hour. she then swam downstream the same river for the same distance in only 6 minutes. if the river flows at 5km/hr, how fast can kelli swim in still water?