Answer:
-45/2
Step-by-step explanation:
67 1/2 * (-1/3)
67 1/2 = 135/2
So 135/2*1/3=45/2
45/2*-1=-45/2
Answer: 4
Step-by-step explanation:
Perpendicular lines have reciprocal slopes
Answer: You might need to be more descriptive, there's a lot of numbers that could be added together to equal -8.
-4 + -4 = -8.
-6 + -2 = -8.
etc.
{-3x - 10y = -4} Answer: x = − 10/3y + 4/3
{x - 5y = 18} Answer: x = 5y + 18