1) В. -13

2) А

3) Г

4) Б

6) А(1; 3)

С(-2; 1)

М(0; -3)

N (4; -2)

7) ( - 4.47 + 7.35) : (-4/5) + 1.5 = 2.88 : (-4/5) + 3/2 = -72/25 : 4/5 + 3/2 = -72/25 × 5/4 + 3/2 = -18/25 × 5 + 3/2 = -18/5 + 3/2 = -21/10 = -2.1

8) на фото