Answer:Here
I forgot how to do this. Please help!
Step-by-step explanation:
Triangle: 13.3 km Why: the formula is 1/2 base x height.
Square: 57.4 Why: 7x8.2 which equals 57.4
From the looks of it, I believe it is either 120, 125, or 126. If you have options, let me know so I can take a closer look.
7x +2y =-17 ..... Finally, answer
2x + 3y = -5
+
5x -y = -12
---------------------------
7x +2y = -17
She has two more cards than pens. Hope it help!