For 13 would you subtract because there's a negative and positive you always subtract and another question is would it be negative or positive

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

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which shows the graph of the solution set of 3y – 2x > –18?