Which expression is equivalent to

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

How many solutions does the nonlinear system of equations graphed below have?