In a coordinate plane, verticles at A(-1, 0) B(-1, 4) C(3, 4) and D(6, 0). Find the area of the figure ABCD. (i don't know how to find it so pls pls pls help and explain)

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!

4x 20 is 80 but if ther machine is broken then there is none you have to redo the test