a wedding hall is in the shape of a rectangle with 60 feet length they wanted to make an extension. original area of the hall ny 20%. unfortunately the department of buildings told the owners this enxtenxsion was not legal l. so they had to reduce the total area by 10%. what is the final area of the wedding hall.​

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

Can someone me with this problem i don't understand i need

Find the area of the triangle shown 3 by 6