PLEASE ANSWER I will fail (At a restaurant, servers keep 75% of the tips from each table, and support staff keeps 25%. A $20 tip is left at a table. How much of the tip does the server keep?)

Which property is illustrated by the statement given below? raj raj.

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?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?