Answer:
-3/5
Step-by-step explanation:
slope is y2 - y1 / x2 - x1
so 1-4/9-4
which equals -3/5
Tu tá no brainly americano, irmão.

Answer:
Definition of Supplementary Angle
Step-by-step explanation:
either of two angles whose sum is 180°.
Answer: 15/7 2 1/7
Step-by-step explanation: First divide 8x-3=x+12 Then add 3 to both sides.
8x=x+15 Subtract x from both sides. 7x=15 Then divide again so 7/7 and 15/7. If you simplify it become 2 1/7