Answer:
-1/2
Step-by-step explanation:
To find the slope, pick two points on the line, and use the slope formula
( 1,9) and (5,7)
m = (7-9 )/(5-1)
-2/4
-1/2
Answer:
40
Step-by-step explanation:
Answer:
Step-by-step explanation:

Cross multiply
5*(3x-y) = 3*(4x + 5y)
5*3x -5*y = 3*4x + 3*5y
15x - 5y = 12x + 15y
15x - 12x = 15y + 5y
3x = 20y
3x = 4y * 5

Multiply the 2 by 3 to get 6 square yards
Then multiply that by three to get 18 square feet
Finally times 18 by 1.5 to get 12 tiles
Therefore 12 tiles are needed to cover the floor.