Answer:
6.3cm
Step-by-step explanation:
10mm=1cm
63mm=?cm
(cross multiply)
?=(63mm×1cm)/10mm
?=6.3cm
y=-3x+9
explanation
m=-3 (X1,Y1) = (4,-3)
(y-y1)= m×(x-x1)
(y-(-3))=-3(x-4)
y+3= -3x+12
y=-3x+12-3