Welcome to Brainly!
5(n-2) = 2+5n + 2n fits your equation. After multiplication, we have
5x - 10 = 2 + 7n
Combining like terms, we get:
-12 = 2n, so that n = -6.
Answer:

Step-by-step explanation:
If AB is tangent to the circle, then angle ABO is right angle and triangle AOB is special
triangle. In this triangle, the leg that is opposite to the angle of 30° is half of the hypotenuse. Thus,

By the Pythagorean theorem,

Answer:
it's B
Step-by-step explanation:
by analyzing it I figured it was 100% B
75% cus u divide the denominator by the numerator is 5 and 8