Answer:18
Step-by-step explanation:
Just count the square
4^2+9^2=97
Magnitude=sqrt(97)
Answer:
(3600-4400)/4400*100%
=-18.18%=-18%
x=4
4x + 7y= 51
We replace y by 5 and determine x.
4x+7×5=51
4x+35=51
4x=51-35
4x=16