Find the area of the figures. lines that appear to be perpendicular are perpendicular

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

See attachment below and find the equivalent of tan(∠qsr)