What is the solution to the system x+y=10 3y=-3x+30

PLEASE hel

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?

Which of the following is correct interpretation of the expression -4+13

Which statement best explains why ben uses the width hi to create the arc at j from point k