Answer:
B
Step-by-step explanation:
The solutions are at (-2,0) and (1,-3)
Answer:
Orginal Speed is 135
Step-by-step explanation:
The ratio of final speed: original speed is

We know that 90 km is it final speed so, we set up a proportion


You answer is A. You have to substitute the values of x and y into the equation.
(3*1)= 4-1
4-(2*1)=2
(4,1)
(x,y)
I’m sorry what subject is this I will still help u