9514 1404 393
Answer:
(b) √65
Step-by-step explanation:
The modulus of a complex number is the root of the sum of the squares of the real and imaginary parts.
|1 -8i| = √(1² +(-8)²) = √(1+64) = √65
Answer: 
Step-by-step explanation:
Given
Rami practices his saxophone for
hour on 4 day each week
So, for a week she practices around

Converting it into mixed fraction

Answer:
c+4
Step-by-step explanation:
The standard deviation of the set of values (2, 3, 6, 9, 10) is <span>square root of 12.5 (</span>

) therefore
OPTION C