Answer:
13,600
Step-by-step explanation:
(h = 7, l = 6, w = 2) 10
70, 60, 20
2(h × w) + 2(h × l) + 2(w × l)
= 2(70 × 20) + 2(70 × 60) + 2(20 × 60)
= 2(1400) + 2(4200) + 2(1200)
= 2800 + 8400 + 2400
= 13,600
14v-21x-7
0.5 in the first box and 1 or -1 in the second
17
2+5(8-5)
2+(5×8)-(5×5)
2 +40-25
42-25
=17