Google on the word SCALAR. that's the word your looking for
Answer:
3x+1
Step-by-step explanation:
9+3x-8
9-8+3x
1+3x
Perimeter = 24m
Cost of half metre(1/2m) = €1.20
Cost of one metre = €2.40
Cost of fencing = 24 × 2.40 = €57.60
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their is no question how can we answer this
This is easy! Just use the point-slope form:

Plug in the values:
-1 - 4 = m(2 - (-3))
Combine like terms
-5 = 5m
Divide both sides by 6
m = 5/-5 or
m = -1