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:

Answer:
2y-4x
Step-by-step explanation:
Answer:
Rhombus
Step-by-step explanation:
This isnt a rectangle because it doesnt have right angles. and the precise name would be a rhombus
Answer:
16 ft
Step-by-step explanation:
Let the width of the rectangle be x ft
Therefore, length = (x + 2) ft
Area of the rectangle = 15 square ft

64^(4/3)
= 256
32^(3/5)
= 8
625^(3/4)
= 125
81^(5/4)
= 243