Answer:
3
Step-by-step explanation:
9÷3 , 12÷3 , 15÷3
= 3
done
B.complex/imaginary roots
Answer:
= sqrt(53)
Step-by-step explanation:
|7-2i| means find the distance
d = sqrt(real part^2 + imaginary part^2)
= sqrt(7^2 + (-2)^2)
= sqrt(49+4)
= sqrt(53)
40,768/52 (weeks per yr)= 784