Answer:
Step-by-step explanation:
A 3rd degree polynomial can have a maximum of 3 real roots, but it must have at least 1 real root I believe.
Y=1/5x-3 (subtract x on each side then divide each by 6)
Answer:
x=21°
Step-by-step explanation:
64°=3x+1 --------- because vertically opposite angles are equal
63=3x
x= 63/3
x=21°