Answer:
C) 1/3
Step-by-step explanation:
First look at equation: 3x+y=1
re-write as y=mx+b
y=-3x+1
so the slope of this equation i s-3
so if a line is perpendicular to the above equation,
its slope will be reciprocal negative which is 1/3
What a clever sneaky little problem !
There can only be two of them: 1221 and 2112 .
Answer:
4
Step-by-step explanation:
4 because 4^2 = 16.