Answer:
It's b. 100
Step-by-step explanation:
10 x 10= 100 = rational number, other include a series of numbers that cannot be written down.
Sorry if this is wrong hope I did the math right. :)
Answer:
C
Step-by-step explanation:
6*12=72
12*8=96
10*12=120
8*6*2/2=48
72+48+96+120=336
Polynomial with real coefficients always has even number of complex roots. We know that one of them is 2 + 5i so the second one will be 2 - 5i and:

Answer B.