3limes weigh 4.28 ounces, 4.82 ounces and 2.85. whats the weight difference

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed