Answer: Maybe B
Step-by-step explanation:
Answer:
15. A
16. B
17. B
18. C
-40
Explanation:
Given
u = 2i - j; v= -5i + 4j and w = j
Required
4u(v-w)
4u = 4(2i) = 8i
v - w = -5i + 4j - j
v - w = -5i + 3j
Substitute
= 8i(-5i+3j)
= -40(i*i) [since i*i = 1]
= -40
Hence the required solution is -40
60 games
hope this helps
Answer:C
113.0ft squared
