10,10,11,11,12,12,14,15,16,18,18,19
10,10,10,11,11,12,12,14,15,16,18,18,19
10,10,11,11,11,12,12,14,15,16,18,18,19
10,10,11,11,12,12,12,14,15,16,18,18,19
10,10,11,11,12,12,14,15,16,18,18,18,19
I THINK it's D
Answer:
To simplify the following expression: 6 / (7+3i), we're going to multiply and divide the entire expression by (7+3i), as follows:

Now, the denominator has NO imaginary numbers.
Answer:
About 9.4 units
Step-by-step explanation:
Hello :
sum of complementary angles is : 90°
(4x)°+( 5x - 18)° = 90°
(9x)° = 108°
x° = 12°
the angles are : 48° and : 42° ( subsct x= 12° in (4x)° , ( 5x - 18)° )