3^x is raising 3 to an unknown number or variable, while x^3 is raising a variable to 3 (x*x*x)
Answer: 
<u>Step-by-step explanation:</u>

Answer:
zero (0)
Step-by-step explanation:
probability of being hemophiliac and daughter is zero because females have 50% chance of being carrier.
where as males have 50% chance of being affected with hemophilia.
example for understanding: if after mating a girl have X chromosomes with hemophilia gene than she might have hemophilia but that is in rear case so probability is zero.
hope you understand my answer, thank you.
It would be B. 9*4=36. 25% is 1/4