Answer:
the first one
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Answer:A
Step-by-step explanation:
it is equivalent to 180-128 because its the same as the angle under route 2
and above runway 2
Answer:
81pi mm^2
Step-by-step explanation:
The radius is 1/2 the diameter, and is used in finding the area of a circle.
The formula for this is
A = pi(r)^2
So the formula you would use is
A = pi (9)^2
= 81pi
Usually teachers accept it in terms of pi, but if not, you can use 3.14 and multiple it.
I hope this helped!
Simplification of the given expression.

Divide the terms with the same base by subtracting their exponents.

Subtract the numbers

Any expression raised to the power of 1 equals itself.

Now, reduce the fraction with b.