Step-by-step explanation:
-2u = 2i + 10j
V = 4i - 6j
(-2u).V = (2x4) - (10x-6)
= 8 - (-60)
= 68
Answer:
The two groups of people Ismael faces danger from were the group of muscular men with machetes and crowded village where they stopped on their way.
(pi/2,0)
