Answer:
a
Step-by-step explanation:
its a bc a is the only one that is the answer
5(x² + 6x + 10)
That's the best way to factor it
Answer:
120 Degrees
Step-by-step explanation:
Considering all the angles will be 60 degrees, we know that the exterior angles must also be 120 degrees.
Simple as that.
Answer:
126/420
Step-by-step explanation:
you cross multipy 3/10 and x/420 then you get 1260=10x, then you divide by 10 and get 126