16 divided by 8 = ? What the answer

Which expression gives you the distance between the points (5,1)and(9,-6)

What is the probably of getting heads when poing a coin and getting a number greater than or equal to 5 when rolling a single diea) 1/6b) 1/3c) 1/4d) 1/12

What is the value of the product (3-2i)(3+2i)?