Y=x2-1 is not a linear equation only because for it to be an linear equation it would have to be 2x-1=y or y=2x-1
There is no error, Jacob did everything right :)
Answer:
the ratio of red 2/10
easy I think it's not hard
there is tow red balls and 8 blue balls
Answer is D
TanB should be 4/3
here in the options it is 5/3 which is not true
First you would subtract 2 to get d/3 by itself. On the left side you would have h-2 and one the right d/3 (h-2=d/3). Then you divide by 3 to get d by itself. So the answer is h/3-2/3=d