A square is cut in half on the diagonal, creating two equal triangles. Each triangle has an area of's square units. What is the side length, in units, of the original square?​

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

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?  

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36