Answer:
6
Step-by-step explanation:

Answer:
The rectangle with ratio 2:6
As When we simplify 2:6 we get 1:3
The equvalents of 1:3are
2:6 ,3:9,4:12,5:15,6:18,7:21,8:24,9:27,10:30..
The correct answer is: [B]: " v₁ / t₁ = v₂ / t₂<span> " .
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You need to make the right side = 0
To do this you subtract 10 from both sides of the equation:-
x^2 + 6x + 9 - 10 = 10 - 10
x^2 + 6x - 1 = 0