If u and v are indeed vectors,

,
Answer:
5.5
Step-by-step explanation:
385 divided by 70=5.5
Answer:
Step-by-step explanation:
5/2 *7/5= 7/2
We can use the 9 inches wide to determine that 18 inches of the 42 inches are the wide sides. 42 - 18 = 24, so we divide 24 by how many long sides there are, 2. 24 ÷ 2 = 12. The box was 12 inches long.