250 bricks used to build a wall 20 feet high how many bricks will be used to build a 30 feet wall

What could explain what happened when the time was equal to 120 minutes

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?  

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12