Answer:
Hello! Benny is 25%of his Moms age
Step-by-step explanation:
Answer:
Step-by-step explanation:
A=2i+3j+4k
B=i-2j+3k
Sum of the vectors:
A + B = 2i+3j+4k + i-2j+3k = 3i + j + 7k
Direction of the sum of the vectors:

No you could have left it as the last but one line or write them separately as
11/18 + √85 / 18 , 11/18 - √85/18