Ana, mateo, and elena are arguing about who has to give the dog a bath. how can they make a fair decision?
select all the correct answers

Percent increase and decrease. original number: 45 new number: 18

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.