Answer:
¾
Step-by-step explanation:

☆ (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate
Slope of line


Answer:
The answer is 9
Step-by-step explanation:
If you subtract 8-(-1) you would get 9.
- Key -
Black tiles = x
Purple tiles = x+50
Yellow tiles = 5x
-
Total = x + x+50 + 5x = 400
⇒ 7x + 50 = 400
⇒ 7x = 400-50 = 350
⇒ x = 350/7
⇒ x = 50
Black tiles = 50
Purple tiles = 50+50 = 100
Yellow tiles = 5 x 50 = 250