Which best describes the relationship between the probability of an event and its complement

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Sunday: 1 1 2 monday: 1 tuesday: 2 1 2 wednesday: 1 3 4 thursday: 2 friday: 1 1 2 saturday: 2 jenna is a swimmer and trains every day. the schedule shown outlines the number of hours she trains each day. what is the total number of hours that jenna trains during the week?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?