Answer:
N = 3
Step-by-step explanation:
I don't know what the whole thing above is, but just disregard that.
All it is here is cross multiplication.
So 28N = 21 * 4
Multiply...
28N = 84
And divide each side by 28
N = 3
Answer:D: 12
Step-by-step explanation:
D) The sum of any two sides of a triangle must be greater than the third side.
Answer: 0.85 kilograms
Step-by-step explanation: