Answer:
(1,2)
Step-by-step explanation:
The solution to the system is where the two lines cross.
They cross at x=1 and y=2
8
That is the quetion that sal khan explaind in the vid BOI
When is cos (x) = 0? <em>at 90° (aka π/2)</em>
The slope of the line is 4/10
remember: rise over run