What is the definition of a circle?
1. A circle is the set of all points in a plane that are a given distance from a given line.
2.A circle is the distance from a set of points to a fixed point called the center.
3. A circle is a set of all points that are the same distance form a fixed point called the center
4.A circle is the set of all points in a plane that are the same distance from a fixed point called the center.

4. A circle is the set of all points in a plane that are the same distance from a fixed point called the center.

Step-by-step explanation:

x equals 1

step-by-step explanation:

f(4)=f(×)

x=1

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.