Answer:
A=(1/2)BxH
10x6=60m
8 so it would be 2/8 plus 3/8
A NONA=9, nonagon has 9 sides, so it's perimeter is 7+7+7+7+7+7+7+7+7, or 63, and we know the apothem.
bearing in mind that the area of a regular polygon is
(1/2)ap a = apothem, p = perimeter
so in this case that'd be (1/2)(5)(63).
Answer:

Step-by-step explanation:
Divide both sides by 5:

Cancel logarithms by taking exp of both sides:

Solve for x subtracting 4 from both sides:

Answer:
b
Step-by-step explanation: