Answer:
-511 + 709 = 198
Step-by-step explanation:
-511+709 is the same as 709-511
198
-511 + (+709) =
709 - 511 = 198
2
A = 160
Formula 1/2 d1d2
1/2 (16 x 20)
320 x 1/2 OR 320/2
=160
Hope this helps :)
