Answer:
The answer is A
Step-by-step explanation:
A * 2 = 1/2πr^2 * 2
2A / π = πr^2 / π
= 
So, the answer is A because r = 
Answer:
JABAIT3D3D
Step-by-step explanation:
2+3
Answer:
(2). <em>b - (a + c)i </em>
Step-by-step explanation:
= [( i )²]³ × i = ( - 1)³ i = - i
=
× i = i
a(- i ) + b( 1 ) - c( i ) = - ai + b - ci = <em>b - (a + c)i</em>
Multiply1.5 and 8 to get a product of 12
1.5x8= 12