The anwser would be -15
3 x (-5) = -15
One metre=10 decimetres.
Therefore 30 metres = 30*10=300 decimetres.
<span>point (3, 1) and has a slope of –2?
y-1=-2(x-3)</span>
M = (N-2)/N
M = N² - 2N
N² - 2N - M = 0
To find N we need to use quadratic formula.
For our equation x = N, a=1, b= -2, c= -M
