Answer:
simplify question is 3a^2 +6a+9ab
Step-by-step explanation:
Real part of z = 9
Imaginary Part = 3i
Conjugate of z is 9 - 3i
2,-1,-2,-4 ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ
Step-by-step explanation:
I don't see question 1 and 2.
but it did be way for you : the distance from the verge of a circle to a point on the circle is always the radius.
that is the whole concept of a circle : it is the line (or curve) of all points that have the same, constant distance r from a single point.
I personally think its B but you gotta say if its either multiplication or addition or division