Answer:
Number 1 is a right triangle
Number 2 is a right triangle
Number 3 is NOT a right triangle
Number 4 is NOT a right triangle
Step-by-step explanation:
Hope this helps :)
Answer: (3, -2)
Step-by-step explanation:
The solution to the system is where the graphs intersect.
You can use the slope formula y2-y1/x2-x1 to find slope, the answer is D